chemistry question answer
Q. Ink is prepared from -
1) Dye
2) Tannin
3) Starch
4) Latex
Ans: 1
Q. CaC2 on treatment with water gives -1) Methane
2) Ethane
3) Ethylene
4) Acetylene
Ans: 4
Q. Vinegar, very commonly used in Chinese food is actually -1) Ethyl alcohol
2) Folic Acid
3) Acetic Acid
4) Nitric Acid
Ans: 3
Q. Formic acid is a large component of -1) Citrus Fruit
2) Ant Venom
3) Vinegar
4) Spirit
Ans: 2
Q. Calcium is a constituent element of -1) Marble
2) Silicon
3) Dry Ice
4) Cooking Soda
View Answer
Ans: 1
Q. The group of substances that can burn easily are -1) paint thinner, coal, brick
2) coal, sand, alcohol
3) coal, alcohol, paper
4) brick, alcohol, coal
Ans: 3
Q. Common salt that we eat everyday contains -1) Sodium and Chloride
2) Sodium and Carbon
3) Calcium and Chlorine
4) Sodium and Aluminium
Ans: 1
Q. CASA ratio of bank indicate the -1) Bank deposits (current & saving)
2) High-value deposits
3) Non performing
4) Bank's loans
Ans: 1
Q. The pair of compounds used as anaesthetic in medicines -1) Nitrogen dioxide, ether
2) Ether, Ammonia
3) Nitrous oxide, Chloroform
4) Chloroform, Nitrogen dioxide
Ans: 1
Q. The percentage of carbon in cast iron is -1) 3 to 5
2) 0.1 to 0.25
3) 0.5 to 1.5
4) 6 to 8
Ans: 1
Q. The compound that has the least value for octane number is -1) n-heptane
2) 2-methyl heptane
3) Iso-octane
4) 2, 2-dimethyl hexane
Ans: 1
Q. The credit of construction of first nuclear reactor goes to -1) Niels Bohr
2) Fermi
3) Einstein
4) Oppenheimer
Ans: 2
Q. Which of the following react to produce urea?1) Ammonium Chloride + Calcium sulphae
2) Carbon dioxide + Ammonia
3) Acetic acid + Ammonia
4) Methane + Carbon Monoxide
Ans: 2
Q. The percentage of carbon in steel is -1) 3 to 5
2) 0.1 to 0.25
3) 0.5 to 1.5
4) 6 to 8
Ans: 3
Q. In photoelectric emission, the energy of emitted electron is -1) same as that of incident photon
2) larger than that of incident photon
3) less than that of incident photon
4) proportional to the intensity of incident light
Ans: 4
Q. The word CNG in the transport network system stands for -1) Chlorine Natural Gas
2) Commercial Natural Gas
3) Compressed Natural Gas
4) Condensed Natural Gas
Ans: 3
2) Tannin
3) Starch
4) Latex
Ans: 1
Q. CaC2 on treatment with water gives -1) Methane
2) Ethane
3) Ethylene
4) Acetylene
Ans: 4
Q. Vinegar, very commonly used in Chinese food is actually -1) Ethyl alcohol
2) Folic Acid
3) Acetic Acid
4) Nitric Acid
Ans: 3
Q. Formic acid is a large component of -1) Citrus Fruit
2) Ant Venom
3) Vinegar
4) Spirit
Ans: 2
Q. Calcium is a constituent element of -1) Marble
2) Silicon
3) Dry Ice
4) Cooking Soda
View Answer
Ans: 1
Q. The group of substances that can burn easily are -1) paint thinner, coal, brick
2) coal, sand, alcohol
3) coal, alcohol, paper
4) brick, alcohol, coal
Ans: 3
Q. Common salt that we eat everyday contains -1) Sodium and Chloride
2) Sodium and Carbon
3) Calcium and Chlorine
4) Sodium and Aluminium
Ans: 1
Q. CASA ratio of bank indicate the -1) Bank deposits (current & saving)
2) High-value deposits
3) Non performing
4) Bank's loans
Ans: 1
Q. The pair of compounds used as anaesthetic in medicines -1) Nitrogen dioxide, ether
2) Ether, Ammonia
3) Nitrous oxide, Chloroform
4) Chloroform, Nitrogen dioxide
Ans: 1
Q. The percentage of carbon in cast iron is -1) 3 to 5
2) 0.1 to 0.25
3) 0.5 to 1.5
4) 6 to 8
Ans: 1
Q. The compound that has the least value for octane number is -1) n-heptane
2) 2-methyl heptane
3) Iso-octane
4) 2, 2-dimethyl hexane
Ans: 1
Q. The credit of construction of first nuclear reactor goes to -1) Niels Bohr
2) Fermi
3) Einstein
4) Oppenheimer
Ans: 2
Q. Which of the following react to produce urea?1) Ammonium Chloride + Calcium sulphae
2) Carbon dioxide + Ammonia
3) Acetic acid + Ammonia
4) Methane + Carbon Monoxide
Ans: 2
Q. The percentage of carbon in steel is -1) 3 to 5
2) 0.1 to 0.25
3) 0.5 to 1.5
4) 6 to 8
Ans: 3
Q. In photoelectric emission, the energy of emitted electron is -1) same as that of incident photon
2) larger than that of incident photon
3) less than that of incident photon
4) proportional to the intensity of incident light
Ans: 4
Q. The word CNG in the transport network system stands for -1) Chlorine Natural Gas
2) Commercial Natural Gas
3) Compressed Natural Gas
4) Condensed Natural Gas
Ans: 3
Q. Which of the following is responsible for acid rain?1) Nitrogen oxide and Carbon dioxide
2) Nitrogen oxide and Carbon monoxide
3) Sulphur dioxide and Nitrogen oxiede
4) None of the above
Ans: 3
Q. By which of the following can petrol fire be extinguished?1) Sand
2) Water
3) Carbon dioxide
4) Saw dust
Ans: 3
Q. In view of environmental Problems, the use of which insecticide has been reduced?1) Gammexane
2) D.D.T.
3) B.H.C.
4) D.M.T.
Ans: 2
Q. The main constituent of biogas is -1) Hydrogen
2) Methane
3) Butane
4) Acetylene
Ans: 2
2) Nitrogen oxide and Carbon monoxide
3) Sulphur dioxide and Nitrogen oxiede
4) None of the above
Ans: 3
Q. By which of the following can petrol fire be extinguished?1) Sand
2) Water
3) Carbon dioxide
4) Saw dust
Ans: 3
Q. In view of environmental Problems, the use of which insecticide has been reduced?1) Gammexane
2) D.D.T.
3) B.H.C.
4) D.M.T.
Ans: 2
Q. The main constituent of biogas is -1) Hydrogen
2) Methane
3) Butane
4) Acetylene
Ans: 2
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