QUESTION ON CHEMISTRY

Try to attain on the any or every question. Click answer one button in front of your choice after click view answer. In a response to let you know if you have the  CORRECT  or  INCORRECT  will be highlighted in a same page. Do not forget to read the response. It is one of the challenges to help you learn the general knowledge.

1. Light coloured clothes are preferred in summer because-

Light colors are good radiators of heat

Light colors are poor absorbers of heat

They soak sweat faster

They allow body heat to escape faster

2. The heavy water is-

Tritium

Deuterium

Rain water

None of this

3. IC chips used in computers are made of-

Chromium

Iron oxide

Silica

Silicon

4. A mixture of water and alcohol can be seperated by-

Filtration

Distillation

Evaporation

None of this

5. Rectifires are used to convert-

Low voltage to high voltage

High voltage to low voltage

AC to DC

DC to AC

6. Spring balance work in the principle of-

Boyles law

Hookes law

Pascals law

None of this

7. Clear nights are colder than cloudy nights because of-

Conduction

Condensation

Radiation

Isolation

8. The best heat insulator is-

Wood

Cotton

Paper

Glass

9. Clear nights are colder than cloudy nights because of-

8 seconds

9 second

7 seconds

10 seconds

10. Anti freeze is a mixture of -

Acetic acid and water

Methyl alcohol and water

Ethyl alcohol and water

None of this