Top 1000+ Solved Chemistry MCQ Questions Answer
Q. If water smells bad, then that odour can be removed by adding –
a. alum
b. bleach
c. activated carbon
d. deactivated nitrogen
Q. The basic process taking place in nuclear reactors is -
a. Radioactivity
b. Fission
c. Fusion
d. None of the above
Q. Glycol is used to manufacture which of the following?
a. Nylon
b. Artificial silk
c. Terylene
d. Rubber
Q. During fermentation of sugar, the compound which is always formed is –
a. Methyl Alcohol
b. Ethyl Alcohol
c. Acetic Acid
d. Ethylene
Q. Warming Ammonium chloride with sodium hydrochloride in a test tube is an example of –
a. Open system
b. Closed system
c. Isobaric system
d. Isothermal system
Q. Calcium salts used as fertilizer is –
a. Calcium Carbide
b. Calcium Carbonate
c. Calcium Cyanide
d. Calcium Sulphate
Q. Copper substances when exposed to air gains a green coating due to the formation of:
a. CuO
b. CuCO3 Cu(OH)2
c. CuSO4
d. Cu(NO3)2
Q. Bagasse, a by-product of sugar manufacturing industry, is used for the production of -
a. Glass
b. Paper
c. Rubber
d. Cement
Q. Bleaching powder is made from -
a. Sulphur dioxide and gypsum
b. Chlorine and Charcoal
c. Soda ash and lime
d. Lime and Chlorine
Q. Which one of the following does not contain silver?
a. Horn silver
b. Ruby silver
c. German silver
d. Lunar caustic
Q. An important green-house gas other than methane being produced from the agricultural fields is–
a. Nitrous oxide
b. Ammonia
c. Sulphur dioxide
d. Arsine