Top 1000+ Solved Chemistry MCQ Questions Answer
Q. Which one of the following contains maximum percentage of carbon?
a. Cast iron
b. Stainless steel
c. Wrought iron
d. High speed steel
Q. Whichof the following appeared to be with a significant potential for accumulation through food chains?
a. DDT
b. Parathion
c. Lindane
d. Carbary
Q. Which among the following is a carbohydrate?
a. Nylon
b. Cane-sugar
c. Turpentine
d. Hydrogen peroxide
Q. Which among the following metals provides amphoteric oxide?
a. Sodium
b. Silver
c. Aluminium
d. Calcium
Q. Iodine can be separated from a mixture of Iodine and Potassium Chloride by –
a. sedimentation
b. filtration
c. sublimation
d. distillation
Q. Bakelite is a copolymer of Phenol and -
a. Formaldehyde
b. Acetaldehyde
c. Benzaldehyde
d. Cinnaldehyde
Q. What is a mixture of potassium nitrate powdered charcoal and sulphur called?
a. paint
b. aluminium
c. brass
d. gun powder
Q. The chemical used in developing photographic films is –
a. silver bromide
b. hypo
c. sodium sulphate
d. hydroquinone
Q. Hard water and soft water can be distinguished by using –
a. dilute acid
b. ordinary soap
c. detergent
d. liquid soap
Q. Gamma rays are -
a. High energy electrons
b. Low energy electrons
c. High energy electromagnetic
d. High energy positron waves