Top 1000+ Solved Chemistry MCQ Questions Answer
Q. Which of the following gases will effuse out of football bladder most wieldy?
a. He
b. H2
c. N2
d. 02
Q. Milk tastes sour when it is left in open for some time. This happens due to the formation of
a. Lactic acid
b. Citric acid
c. Acetic acid
d. Carbonic acid
Q. The polymerisation of which of the Following is used in manufacturing of polythene in industry?
a. Methane
b. Styrene
c. Acetylene
d. Ethylene
Q. Which of the following substances undergoes chemical change on heating?
a. Sodium chloride
b. Silica
c. Lead nitrate
d. Platinum wire
Q. Who proposed first atomic theory?
a. E. Rutherford
b. De Broglie
c. John Dalton
d. D. I. Mendeleev
Q. Which one of the following has the highest fuel value?
a. Hydrogen
b. Charcoal
c. Natural gas
d. Gasoline
Q. Cream gets separated out of milk when it is churned. This is due to–
a. gravitational force
b. centripetal force
c. centrifugal force
d. frictional force
Q. Lime water turns milky when carbon dioxide is passed through it. It is due to the for mation of:
a. Calcium Carbonate
b. Barium Carbonate
c. Calcium Hydrogen Carbonate
d. Calcium Oxide
Q. German silver is an alloy of -
a. copper, nickel and silver
b. silver, copper and aluminium
c. zinc, copper and nickel
d. silver, zinc and copper