Top 1000+ Solved Chemistry MCQ Questions Answer
Q. In Nuclear reactors graphite is used as
a. Lubricant
b. Fuel
c. Linear of the reactor
d. Modulator
Q. Activated Charcoal is used to remove colouring matter from pure substances by –
a. Bleaching
b. Oxidation
c. Adsorption
d. Reduction
Q. Chernobyl disaster is the result of pollution by –
a. Oil spill
b. Acid rain
c. Carbon dioxide
d. Radioactive waste
Q. Which one of the following elements exists in liquid state at room temperature?
a. Mercury
b. Lead
c. Sodium
d. Calcium
Q. Bone deformities occur due to excessive intake of:
a. Phosphorus
b. Potassium
c. Fatty acid
d. Fluorine
Q. Of the following commonly used materials, the one that is not an alloy is -
a. Steel
b. Brass
c. Bronze
d. Copper
Q. Which acid is used in Lead storage batteiy?
a. Sulphuric acid
b. Nitric acid
c. Hydrochlotic acid
d. Acetic acid
Q. What nucleus of atom contains?
a. protons
b. electrons
c. electrons and protons
d. protons and neutrons
Q. Which of the following caused radioactive pollution along the coast of Kerala?
a. Plutonium
b. Zinc
c. Thorium
d. Radium