Top 1000+ Solved Chemistry MCQ Questions Answer
Q. Detergents used for cleaning clothes and utensils contain –
a. nitrates
b. bicarbonates
c. sulphonates
d. bismuthates
Q. Radioactive disintegration of uranium ultimately results in formation of –
a. radium
b. thorium
c. polonium
d. lead
Q. Impure camphor is purified by –
a. sublimation
b. fractional crystallisation
c. fractional distillation
d. steam distillation
Q. Which among the following stage is suitable indicator when solution of sodium carbonate is mixed with sulphuric acid?
a. Methylene blue
b. Methyl red
c. Phenolphthaline
d. Methyl orange
Q. Rayon is an example of _______?
a. a synthetic fiber
b. a natural fiber
c. semi-synthetic fiber
d. Synthetic Detergent
Q. Sodium Alkyl Sulphate and Benzene Sulphate are examples of ________
a. Explosives
b. Insecticides
c. Fungicides
d. Synthetic Detergents
Q. Which of the following group characterizes alcohols?
a. OH group
b. COOH group
c. COO group
d. CO group
Q. Which among the following is not a use of Graphite?
a. making of electrodes
b. lubricant
c. manufacturing of crucibles,
d. Glass cutting
Q. Water at 4 degree centigrade has____?
a. minimum density
b. maximum density
c. No density
d. None of the above
Q. To keep the hot glass item‘s finishing and transparency , they go through a process calledannealing. This process involves _______?
a. cooled rapidly
b. cooled very slowly
c. cooled slowly and uniformly under controlled environment
d. heating rapidly
Q. Galena & Litharge are ores of which of the following metals?
a. Mercury
b. Zinc
c. Copper
d. Lead
Q. A molecule is a smallest part of matter which possesses all properties of original matter. Amolecule is electrically _________?
a. Positve
b. Negative
c. either positive or negative
d. neutral