Top 1000+ Solved Chemistry MCQ Questions Answer
Q. Which one of the following minerals is found in Monazite sand?
a. Potassium
b. Uranium
c. Thorium
d. Sodium
Q. Now-a-days yellow lamps are frequently used as street lights. Which of the following gases is used in these lamps?
a. Sodium
b. Neon
c. Hydrogen
d. Nitrogen
Q. The tip of the match-stick contains –
a. phosphorus pentoxide
b. white phosphorus
c. red phosphorus
d. phosphorus trichloricle
Q. Commercially, sodium bicarbonate is known as –
a. Washing soda
b. Baking soda
c. Bleaching powder
d. Soda ash
Q. Which gas does not form the part, of atmosphere?
a. Nitrogen
b. Helium
c. Chlorine
d. None of the above
Q. The reaction between an acid and a base to give a salt and water is known as a -
a. Neutralisation reaction
b. Reduction reaction
c. Oxidation reaction
d. Exothermic reaction
Q. Which of the following elements is obtained from sea weeds?
a. Argon
b. Sulphur
c. Vanadium
d. Iodine
Q. Which of the following gases is most toxic?
a. Carbon dioxide
b. Carbon monoxide
c. Sulphur dioxide
d. Chlorine
Q. Which of the following gases is present under pressure in soft drinks?
a. Oxygen
b. Nitrogen
c. Carbon dioxide
d. Nitrous oxide
Q. The substance which does not expand on going from liquid state to solid state is –
a. Water
b. Cast-iron
c. Aluminium
d. Type metal