[Free Download] Chemistry formula PDF {Tips & Tricks}

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chemistry formula

 

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Definition of Chemical Formula (रासायनिक सूत्र की परिभाषा

 

A chemical formula is a way of presenting information about the chemical ratio of atoms of a particular chemical compound using chemical element symbols, numbers, and sometimes other symbols, such as parentheses, dashes, commas, and pluses (+). or molecule.

 

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Chemical Names and Formulas of Chemical Substances: In Chemistry , many questions are asked on Chemicals Name and Chemicals Formula in general knowledge related to Chemical Formulas .

 

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Q1. What does the code on a plastic bottle mean?

Ans. Have you ever noticed that there is a code at the bottom of the plastic bottle or container which has different numbers like 1, 2, etc. Do you know what this code means, how long a material made of plastic should be used, what kind of plastic material should be used, etc. Let’s study through this article.

 

Nowadays plastic is being used everywhere. In particular, the use and reuse of plastic bottles to store water is quite common in Indian families. One or 2 liter Pepsi, Coke, Limca bottles are used for months as well as mineral water bottles. But do you know how long you can actually use these plastic bottles. What is the safe period to keep water or other food items in these bottles? Let us study through this article.

 

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 Chemical formula

 

Q2. What is the Resin Identification Code, RIC code?

Ans. Have you ever noticed that in a plastic bottle some triangle is formed at the bottom and some number is written on it, which we also call code. Why so? What do these numbers mean, why are they written?

Let’s see

Whenever you buy or use anything made of plastic, you must have noticed that in all of them, whether it appears on the plastic box, container, bucket, bottle etc., a number surrounded by a triangle. This is called the Resin Identification Code, RIC. Mostly it is below the bottle or box.

 

Sometimes this code is also made elsewhere in the same plastic. Let us tell you that resin means the resin or material from which plastic is made. That is, plastic can be made from many types of substances or resins and its identification code means an indication to identify. This code provides information about the quality of the bottle and how to use it.

Detailed chemistry formula list for class 10 Tips & Tricks PDF

 

The code was originally introduced by the Society of the Plastics Industry which is the third-largest manufacturing sector in the United States, RIC is now officially being administered by ASTM International, an international standards organization.

 

Let us tell you that some toxic or toxic chemicals are used to make plastic bottles. These chemicals are not used uniformly. Therefore, a code is given on the bottle so that it can be detected by using the bottle.

 

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रासायनिक नाम और सूत्र – Chemical Name and Formula in Hindi PDF

 

व्यापारिक नाम रासायनिक नाम रासायनिक सूत्र
साधारण नमक सोडियम क्लेराइड (Sodium Chloride) NaCl
बेकिंग सोडा सोडियम बाइकार्बोनेट (Sodium bicarbonate) NaHCO3
धोवन सोडा सोडियम कार्बोनेट (Sodium carbonate) Na2CO3
कास्टिक सोडा सोडियम हाइड्रॉक्साइड (Sodium Hydroxide) NaOH
चिली साल्टपीटर सोडियम नाइट्रेट (Sodium Nitrate) NaNO3
सुहागा बोरेक्स (Borax) Na2B4O7
सोडा एश सोडियम कार्बोनेट (Sodium carbonate) Na2CO3
ग्लॉबर साल्ट सोडियम सल्फेट (Sodium Sulphate) Na2SO4
हाइपो सोडियम थायोसल्फेट (Sodium Thiosulphate) Na2S2O3
माइक्रोकॉस्मिक लवण सोडियम अमोनियम हाइड्रोजन फॉस्फेट (Ammonium sodium hydrogen phosphate) NaNH4+HPO4
फिटकरी पोटेशियम ऐलुमिनियम सल्फेट (Potassium Aluminum sulfate) K2SO4
लाल दवा पोटैशियम परमैंगनेट (Potassium permanganate) KMnO4
कॉस्टिक पोटाश पोटैशियम हाइड्रॉक्साइड (Potassium hydroxide) KOH
शोरा पोटैशियम नाइट्रेट (Potassium nitrate) KNO3
नाइटर पोटैशियम नाइट्रेट (Potassium nitrate) KNO3
क्रोम एलम पोटैशियम क्रोमियम सल्फेट K2SO4. Cr(SO4)3. 2H2O
विरंजक चूर्ण ब्लीचिंग पाउडर (Calcium hypochlorite) Ca(OCl)Cl
चूने का पानी कैल्शियम हाइड्रॉक्साइड (Calcium hydroxide) Ca(OH)2
जिप्सम कैल्शियम सल्फेट (Calcium sulfate) CaSO4
प्लास्टर आॅफ पेरिस कैल्शियम सल्फेट हेमीहाइड्रेट (Calcium sulfate hemihydrate) 2CaSO4
चॉक कैल्शियम कार्बोनेट (Calcium carbonate) CaCO3
बिना बुझा चूना कैल्शियम आॅक्साइड (Calcium oxide) CaO
चूने का पत्थर कैल्शियम कार्बोनेट (Calcium carbonate) CaCO3
संगमरमर कैल्शियम कार्बोनेट (Calcium carbonate) CaCO3
हाइड्रोलिथ कैल्शियम हाइड्राइड (Calcium hydride) CaH2
नौसादार अमोनियम क्लोराइड (Ammonium chloride) NH4Cl
लाफिंग गैस नाइट्रस आॅक्साइड (Nitrous oxide) N2O
लिथार्ज लेड आॅक्साइड (Lead(II) oxide) PbO
गैलना लेड सल्फाइड (phosphate buffered saline) PbS
लाल सिंदूर लेड परआॅक्साइड (Lead(II, IV) oxide) Pb3O4
सफेद लेड बेसिक लेड कार्बोनेट (Basic Lead(II) carbonate) 2PbCO3
नमक का अम्ल हाइड्रोजन क्लेराइड (Hydrochloric acid) HCl
शोरे का अम्ल नाइट्रिक अम्ल (Nitric acid) HNO3
म्यूरेटिक अम्ल हाइड्रोक्लोरिक अम्ल (Hydrochloric acid) HCl
आॅयल आॅफ विट्रियॉल सान्द्र सल्फ्यूरिक अम्ल (Sulfuric acid or sulphuric acid) H2SO4
अम्लराज सान्द्र नाइट्रिक अम्ल और सान्द्र हाइड्रोक्लोरिक अम्ल का मिश्रण HNO3+HCl (1:3)
जल गैस कार्बन मोनोक्साइड और हाइड्रोजन गैस का मिश्रण CO+H2
ओलियम फ्यूमिंग सल्फ्यूरिक अम्ल (Disulfuric acid) H2S2O7
बॉक्साइड हाइड्रेट्स एलुमिना (Aluminium oxide) Al2O3
शुष्क बर्फ ठोस कार्बन डाइआॅक्साइड (Carbon dioxide) CO2
हरा कसीस फेरस सल्फेट (Iron(II) sulfate or ferrous sulfate) FeSO4
मैग्नीशिया मैग्निशियस आॅक्साइड (Magnesium oxide) MgO
हॉर्न सिल्वर सिल्वर क्लोराइड (Silver chloride) AgCl
लूनर कॉस्टिक सिल्वर नाइट्रेट (Silver nitrate) AgNO3
ब्लैक जिंक जिंक सल्फाइड (Zinc sulfide) ZnS
सफेद कसीस जिंक सल्फेट (Zinc sulfate) ZnSO4
चाइनीज ह्राइट जिंक आॅक्साइड (Zinc oxide) ZnO
क्विक सिल्वर मरकरी (Mercury) Hg
कैलोमल मरक्यूरस क्लोराइड (Mercury(I) chloride) Hg2Cl2
कोरोसिव सब्लीमेट मरक्यूरिक क्लोराइड (Mercury(II) chloride) HgCl2
वरमिलियन मरक्यूरिक सल्फाइड (Mercury sulfide) HgS
भारी जल ड्यूटेरियम आॅक्साइड (Deuterium Oxide) D2O
भारी हाइड्रोजन ड्यूटेरियम (Deuterium) D
सिलिका सिलिकन डाइआॅक्साइड (Silicon dioxide) SiO2
कार्बोरेंडम सिलिकन कार्बाइड (Silicon carbide) SiC
आर्सीन आर्सेनिक हाइड्राइड (arsenic hydride) AsH3
नीला कसीस कॉपर सल्फेट (Copper(II) sulfate) CuSO4
लिथोपोन जिंक सल्फाइड और बेरियम सल्फेट का मिश्रण ZnS+BaSO4
प्रोड्यूथर गैस कार्बन मोनोक्साइड और नाइट्रोजन गैस का मिश्रण CO+N2
मार्श गैस मिथेन (Methane) CH4
गेमेक्जीन बेंजीन हेक्साक्लोराइड (benzene hexachloride) C6H6Cl6
फॉस्जीन कार्बोनिल क्लोराइड (Cobalt(II) chloride) COCl2
सिरका एसीटिक अम्ल का तनु विलयन (Acetic acid) CH3COOH
कार्बोनिक अम्ल फिनॉल (Phenol) C6H5OH
एल्कोहॉल इथाइल एल्कोहॉल (Ethanol alcohol) C2H5OH
वुड स्पिरिट मिथाइल एल्होकॉल (Methanol alcohol) CH3OH
मंड स्टार्च (STARCH) C12H25NO11
टी.एन.बी. ट्राइ नाइट्रो बेंजीन C6H3 (NO2)3
टी.एन.टी. ट्राइ नाइट्रो टॉल्वीन C6H2CH3(NO2)3
अंगूर का रस ग्लूकोज (Glucose) C6H12O6
फॉर्मेलिन फार्मेल्डिहाइड का 10% विलयन (Formaldehyde) HCHO
फ्रीआॅन डाइक्लोरोडाइफ्लोरो कार्बन (Dichlorodifluoromethane Carbon) CF2Cl2
यूरिया कार्बामाइड (Carbamide) NH2CONH2
क्लेरोफॉर्म ट्राइ क्लोरो मिथेन (chloromethanes) CHCl3
आयडोफॉर्म ट्राइआयडो मिथेन (triiodomethane) CHl3
पायरीन कार्बन टेट्रा क्लोराइड (Carbon tetrachloride) CCl4
फिनॉल हाइड्रोक्सीबेंजीन C6H5OH
मिक (MIC) मिथाइल आइसोसायनेट (Methyl isocyanide) CH3NC

 

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 Chemical formula

Q3. The number of codes for different types of plastic varies from 1 to 7.

Ans. This code provides information about which hazardous resin or hazardous plastic are. Total codes are given from 1 to 7. At the same time, code 1 to 6 confirms a specific ‘plastic polymer’ and code 7 is a general category in which all types of plastics are available, which do not fall from 1 to 6.

 

By understanding the uses and limitations of each type of plastic, you can stay away from unhealthy and harmful plastics which can cause serious damage in the long run.

 

Do you know, there is a “delete” button in the brain?

 

Code 1: Represents PET or PETE (polyethylene terephthalate).

 

This is the most common type of plastic you use as average beverage bottles, such as cold drink bottles, jars, oven-trays, detergents, and cleaner containers. Apart from this, this ‘plastic polymer’ is also used for finishing liquid crystal display, guitars, piano etc. PET is porous, has a tendency to collect bacteria and residual materials, which means that prolonged use of this plastic can be harmful.

If any liquid is kept in these containers for a long time, then a substance called antimony starts leaking. It leaks more when these containers are kept in a warm or closed place.

PET is considered a relatively safe ‘single use’ or ‘use and throw’ plastic and its leakage can prove to be dangerous, so use it only once and keep it away from the hot spot.

 

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Code 2: Represents HDPE or high density polyethylene.

This means that the dishes are made of high density polyethylene. This polyethylene is the most commonly used ‘plastic polymer’ as it is easy to make and is also very inexpensive such as making plastic bags (grocery), milk, water and juice containers, etc. It can also be used to store as they carry less risk of leaching and can usually be recycled. Some studies have shown that this plastic can secrete hormonal problem-causing substances such as non-phenolol, especially in sunlight.

 

Code 3: represents PVC or polyvinyl chloride.

This plastic is made of polyvinyl chloride. Most of us are quite familiar with PVC pipes that are used for plumbing and other such purposes. PVC is very tough and rough, it is considered extremely dangerous to cook or store food items. Despite being dangerous, it is being used in toys, shampoo bottles, mouth wash bottles, detergent and cleaner bottles, blood bottles, window frames, etc. Let us tell you that phthalates used to produce this plastic can stop hormonal growth and cause other serious problems.

 

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Code 4: Represents LDPE or low density polyethylene.

These are products made of low density polyethylene. This type of plastic is commonly used for the manufacture of packaging of various films, packages, food and pharmaceutical products. The chemical composition of LDPE helps to make them more flexible and thinner.

 

 

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Q4. Which gas is called dry ice and why?

Ans. Dry ice is solidly carbon dioxide. It was followed in 1835 by the French inventor Adrian-Jean-Pierre Thilorier. This is the gas that we expel during breathing and plants use in photosynthesis. In this article, we will study in detail about dry ice gas.

Dry ice is solid carbon dioxide (CO2) and is called dry ice because when these gases solidify, they appear like ice. It is mainly used as a cooling agent and is a common part of our Earth’s atmosphere. Dry ice or dry ice was first followed in 1835 by the French inventor Adrien-Jean-Pierre Thilorier.

This is the gas that we expel during breathing and plants use in photosynthesis. It is a gas commonly added to water to make soda water. This gas is often used in industrial processes and during recycling to make dry ice.

 

Q5. Learn how harmful things made of plastic can be

Ans. Dry ice is particularly useful for freezing, and keeps things frozen due to cold temperatures: -109.3 ° F or -78.5 ° C. Dry ice is widely used because it dries quickly and is also easy to use with insulated gloves. Dry ice is directly converted from solid to gas without changing into the dissolved fluid under normal atmospheric conditions. This process is called sublimation.

Do you know that dry ice is not stored in the freezer because by keeping it, the thermostat of the freezer will shut the freezer due to excessive cooling and it can also break the freeze.

 

What is the use of dry ice?

– Using non-cyclic refrigeration, dry ice preserves foods.
– It is also often used to pack items as these items must be cooled or frozen without the use of mechanical cooling, such as ice cream or biological samples, etc.

 

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– Dry ice can be used to prevent insect activity in closed containers of cereals and cereal products, as it displaces oxygen, but does not alter the taste or quality of foods. For this reason, it also prevents edible oils and fats from becoming rancid.

– When dry ice is placed in water, the process of sublimation is accelerated, and fogs start to form like low-sinking dense clouds. It is used in cinemas in fog machines, haunted house attractions and nightclubs for dramatic effects.

 

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Most Important Science Question Answers

 

Q. What is the chemical formula of sulfuric acid?

Ans. H₂SO₄

 

Q. What is the chemical formula of magnesium chloride?

Ans. MgCl2

 

Q. What is the chemical formula of calcium chloride?

Ans. CaCl2

 

Q. The chemical name of Common salt? What is the chemical name of Common Salt?

Ans. Sodium Chloride – Sodium Chloride (NaCl)

 

Q. The chemical name of Edible Soda? What is the chemical name of Edible Soda?

Ans. Sodium Bicarbonate – Sodium Bicarbonate (NaHCO3)

 

Q. The chemical name of Washing Soda? What is the chemical name of Washing Soda? 

Ans. Sodium Carbonate – Sodium Carbonate (Na2Co3. 10H2O)

 

Q. What is the chemical formula of copper oxide?

Ans. CuO

 

Q. What is the chemical formula of hard soap?

Ans. C17H35COONa

 

Q. The chemical formula of mild soap is…?

Ans. C17H35COOK

 

Q. The chemical name of Caustic Soda? What is the chemical name for Caustic Soda?  

Ans. Sodium Hydroxide – Sodium Hydroxide (NaOH)

 

Q. The chemical name of Marble? What is the chemical name of Marble? 

Ans. Calcium Carbonate – Calcium Carbonate (CaCO3)

 

Q. The chemical name of Laughing Gas? What is the chemical name of Laughing Gas? 

Ans. Nitrous Oxide – Nitrous Oxide (N2O)

 

Q. The chemical name of Bleaching Powder? What is the chemical name of Bleaching Powder? 

Ans. Calcium hypochlorite – Calcium Hypochlorite (Ca (CIO) 2)

 

Q. The chemical name of Plaster of Paris? What is the chemical name of Plaster of Paris?

Ans. Calcium Sulphate Half Hydrate – Calcium Sulphate Half Hydrate (CaSo4) 2 H2O)

 

Q. The chemical name of Gypsum? What is the chemical name of Gypsum? 

Ans. Calcium Sulphate – Calcium Sulphate (CaSo4. 2H2O)

 

Q. The chemical name of Dry Ice? What is the chemical name for dry ice? 

Ans. Solid Carbon Dioxide – Dry Carbon Dioxide – (CO2)

 

Q. The chemical name of Alum? What is the chemical name of Alum? 

Ans. Potassium Aluminum Sulfate (K2SO4Al2 (SO4) 3 24H2O)

 

Q. The chemical name of Chile Saltpetre? What is the chemical name of Chile Saltpetre? 

Ans. Sodium Nitrate – Sodium Nitrate (NaNO3)

 

Q. The chemical name of Borax? What is the chemical name of icing? 

Ans. Borax – Borax (Na2B4O7. 10H2O)

 

Q. The chemical name of Blue Vitriol? What is the chemical name of Blue Vitriol or Tutia? 

Ans. Copper Sulphate – Copper Sulphate (CuSO4. 7H2O)

 

Q. The chemical name of White Vitriol? What is the chemical name of White Vitriol? 

Ans. Zinc Sulphate – Zinc Sulphate (ZnSO4)

 

 

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