Q.No. 1 - Which Mineral is a popular substitute for diamond and also known as 'Matura Diamond'?
Ans - Zircon
Q.No. 2 - Which is known as 'White Gas'?
Ans - Naphtha
Q.No. 3 - What is the full form of LCD?
Ans - Liquid Crystal Display
Q.No. 4 - What is the most common use of Benzodiazepine ?
Ans - Sleeping pills
Q.No. 5 - Which poisonous chemical, used as a chemical weapon, is also known as GB?
Ans - Sarin
Q.No. 6 - Which acid is present in the seeds of pomegranate and snake gourd?
Ans - Punicic Acid
Q.No. 7 - Defeciency of which element is the leading preventable cause of intellectual disabilities in world?
Ans - Iodine
Q.No. 8 - The foamy substance caused by the rapid decomposition of which chemical is known as 'Elephant Toothpaste?
Ans - Hydrogen Peroxide
Q.No. 9 - Name the Indian born American physicist, whose studies led to the invention of optical fibre?
Ans - Narinder Singh Kapany
Q.No. 10 - The measurement of the combustion quality of diesel fuel during compression ignition is known as ?
Ans - Catane Number
Q.No. 11 - Which chemical has the nickname of 'Water Glass'?
Ans - Sodium Silicate
Q.No. 12 - The sun's energy is produced by which process ?
Ans - Nuclear Fussion
Q.No. 13 - What is the most produced organic compound in the world ?
Ans - Ethylene
Q.No. 14 - The purity of which natural food is tested through the Aniline Chloride Test?
Ans - Honey
Q.No. 15 - Which element has the atomic number of 100?
Ans - Fermium
Q.No. 16 - What is the unit of radiactive decay?
Ans - Becquerel
Q.No. 17 - Which physical property did the color of a star indicates?
Ans - Temperature
Q.No. 18 - What instrument is used to measure the hardness of materials?
Ans - Sclerometer
Q.No. 19 - What is usually called as paraffin?
Ans - Kerosene
Q.No. 20 - Name the Canadian geologist who invented kerosene?
Ans - Abraham Pinco Gesner
Q.No. 21 - What are the ingredients in kerosene?
Ans - Cabron and Hydrogen
Q.No. 22 - What is the full form of LPG ?
Ans - Liquefied Petroleum Gas
Q.No. 23 - What is the main constituent in the LPG?
Ans - Propane
Q.No. 24 - What is added to LPG to help warn of gas leaks?
Ans - Ethanethiol or Ethyl mercaptan
Q.No. 25 - What is the chemical name of the bleaching powder?
Ans - Calcium hypochlorite
Q.No. 26 - What is the chemical name of the table salt?
Ans - Sodium Chloride
Q.No. 27 - What give hardness to water?
Ans - Chlorides and sulfates of calcium and magnesium
Q.No. 28 - Which gases are the constituents of the Ammonia gas?
Ans - Nitrogen and hydrogen
Q.No. 29 - What is produced through the Haber-Bosch process?
Ans - Ammonia
Q.No. 30 - Which chemical is used in the cloud seeding or the artificial rain?
Ans - Silver iodide
Q.No. 31 - Which chemical is also known in the names 'Blue vitriol and bluestone'?
Ans - Copper Sulfate
Q.No. 32 - When copper sulfate is mixed with lime, it is knows as ?
Ans - Bordeaux mixture
Q.No. 33 - What is the most common use of Bordeaux mixture?
Ans - Fungicide
Q.No. 34 - What is known as the 'King of the chemicals'?
Ans - Sulfuric Acid
Q.No. 35 - What is the scientific name of Aspirin?
Ans - Acetylsalicylic acid
Q.No. 36 - Who is credited with isolating aspirin for the first time?
Ans - Felix Hoffmann
Q.No. 37 - Which is the oldest analgesic in use?
Ans - Aspirin
Q.No. 38 - Chloroacetophenone is an example for?
Ans - Lachrymatory agent (Tear Gas)
Q.No. 39 - What was once called 'lunar caustic'?
Ans - Silver nitrate
Q.No. 40 - As highly reactive and flammable, which metal is typically stored in mineral oil?
Ans - Lithium
Q.No. 41 - What is the main component of shells of marine organisms, snails, coal balls, pearls, and eggshells?
Ans - Calcium carbonate
Q.No. 42 - Which is the most important green house gas ?
Ans - Carbon dioxide
Q.No. 43 - Which gas is used to produce soda water
Ans - Carbon dioxide
Q.No. 44 - Which chemical is known as Hypo?
Ans - Sodium thiosulfate
Q.No. 45 - Which chemical is the most common photographic fixer?
Ans - Hypo
Q.No. 46 - What is added to reduce the acidity of the soil?
Ans - Lime
Q.No. 47 - The chemical used to reduce the alkaline nature of the soil is ?
Ans - Aluminium Sulphate
Q.No. 48 - What turns blue litmus paper in to red?
Ans - Acids
Q.No. 49 - What is the optimum soil PH range suited for most plants?
Ans - 6 to 7.5
Q.No. 50 - Red litmus paper turns blue under conditions?
Ans - Basic (Alkaline)
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