Top 1000+ Solved Chemistry MCQ Questions Answer
Q. If all bullets could not be removed from gun shot injury of a man, it may cause poisoning by –
a. Mercury
b. Lead
c. Iron
d. Arsenic
Q. Which of the following metals is NOT obtained by reduction using carbon?
a. Copper
b. Sodium
c. Iron
d. Zinc
Q. One of the following is used to dissolve noble metals. That is –
a. Nitric acid
b. Hydrochloric acid
c. Sulphuric acid
d. Aqua ragia
Q. Water can be separated from alcohol water mixture by –
a. decantation
b. evaporation
c. distillation
d. sublimation
Q. Which of the following is not a nitrogenous fertilizer?
a. Ammonium sulphate
b. Urea
c. Ammonium nitrate
d. Superphosphate
Q. Which of the following is chief source of Naphthalene?
a. Moth balls
b. Moth flakes
c. Tar Camphor
d. Methyl Alcohol
Q. Which of the following is the petroleum wax?
a. Bees wax
b. Carnauba wax
c. Paraffin wax
d. Jojoba wax
Q. Which variety of coal contains recognizable traces of the original plant material?
a. Anthracite
b. Lignite
c. Peat
d. Bitumen
Q. Sodium calcium silicate is called.
a. Hard glass
b. Borosilicate glass
c. Soft glass
d. Jena glass
Q. A gas used as a disinfectant in drinking water is -
a. Hydrogen
b. Oxygen
c. Fluorine
d. Chlorine