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
Q. Common salt that we eat everyday contains -
1) Sodium and Chloride
2) Sodium and Carbon
3) Calcium and Chlorine
4) Sodium and Aluminium
Q. CASA ratio of bank indicate the -
1) Bank deposits (current & saving)
2) High-value deposits
3) Non performing
4) Bank's loans
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
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
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
Q. The credit of construction of first nuclear reactor goes to -
1) Niels Bohr
2) Fermi
3) Einstein
4) Oppenheimer
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
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
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
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