Top 1000+ Solved Chemistry MCQ Questions Answer
Q. The pair of compounds used as anesthetic in medicines –
a. Ether, Ammonia
b. Nitrous oxide, Chloroform
c. Chloroform, Nitrogen dioxide
d. Nitrogen dioxide, ether
Q. The sum of potential energy and kinetic energy is known as :
a. Electrical energy
b. Chemical energy
c. Light energy
d. Mechanical energy
Q. Carborundum is another name of –
a. Silicon carbide
b. Silicon oxide
c. Calcium carbide
d. Calcium oxide
Q. The term 'brown air' is used for –
a. Acid fumes
b. Photochemical smog
c. Sulphurous smog
d. Industrial smog
Q. Soldering of two metals is possible because of the property of –
a. Viscosity
b. Osmosis
c. Cohesion
d. Surface tension
Q. n electrochemical cell which is used as a source of direct electrical current at constant voltage under standard conditions is called a –
a. Power transmittor
b. Battery
c. Uninterrupted power supply (UPS)
d. Generator
Q. Which method will be employed to test the hardness of water?
a. Boiling
b. Distillation
c. Formation of lather with soap
d. None of these
Q. J.J. Thomson’s proposed model of action is generally called model.
a. Cream and cake
b. Plum and pudding
c. Plum and cake
d. Cream and pudding
Q. Even after sunset, the air near the Earth's surface continue to receive heat due to –
a. Insolation
b. Terrestrial Radiation
c. Conduction
d. Convection
Q. Trinitrotoluene is –
a. used to melt metals
b. used to fuse two metals
c. used as an abrasive
d. used as an explosive
Q. Which one of the following polymers is widely used for making bullet proof material?
a. Polyvinyl chloride
b. Polyamides
c. Polyethylene
d. Polycarbonates