Top 1000+ Solved Chemistry MCQ Questions Answer
Q. The most electronegative element among the following is -
a. sodium
b. bromine
c. fluorine
d. oxygen
Q. Which of the following is not a commercial source of energy?
a. Coal
b. Petroleum
c. Natural Gas
d. Firewood
Q. Which one of the following substances does not have a melting point?
a. Bromine
b. Sodium chloride
c. Mercury
d. Glass
Q. Which one of the following metals occurs in nature in free state?
a. Gold
b. Sodium
c. Aluminium
d. Copper
Q. The soft silvery metalic element which ionizes easily when heated or exposed to light and is present in atomic clocks is –
a. Cerium
b. Cesium
c. Calcium
d. Californium
Q. Catalytic converters are generally made from
a. Alkaline metals
b. Hydrogen
c. Transition metals
d. Carbon
Q. Which one of the folling is also khow as solution?
a. Acompound
b. Ahomogeneous mixture
c. A heterogeneous mixture
d. A suspension
Q. Which of the following is very reactive and kept in kerosene?
a. Sodium
b. Potassium
c. Iodine
d. Bromine
Q. Which one of the following is known as the ‘brown coal’?
a. Anthracite
b. Bituminous
c. Coke
d. Lignite
Q. This substance is commonly known as alcohol and is also used in medicines such as tincture iodine, cough syrups, and many tonics. This is -
a. Propanol
b. Butane
c. Ethanol
d. Methanol