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. Chemically baking soda is-

Calcium Phosphate

Sodium Bicarbonate

Sodium Chloride

Sodium Carbonate

2. Iron articales rust because of the formation of-

Ferrous chloride

A mixture of ferrous and ferric hydroxides

Ferric sulphate

Ferric choride

3. Diamond is chemically a pure carbon. Graphite is chemically-

A mixture of metal carbonates

A pure form of sand

Pure carbon

None of this

4. Detergent is -

Sodium salts of fatty acids

Sodium carbonate and sodium chloride

Calcium salts of hydrochloric acid

Sodium salts of aromatic and aliphatic sulphonic acid.

5. Mica is a-

Good conductor of both heat and electricity

Bad conductor of heat and good conductor of electricity

Bad conductor of both heat and electricity

Good conductor of heat and bad conductor of electricity

6. The gas inside an electric bulb is-

Neon

Oxygen

Nitrogen

Hydrogen

7. Cooking gas is a mixture of-

Carbon monoxide and carbon dioxide

Methane and ethylene

Carbon dioxide and oxygen

Butane and propane

8. Absolute zero of temperature' is-

The starting point of any scale of temperature

The temperature at which all substances exist in vapor phase

The lowest temperature that is Theoretically possible

None of this

9. Acid present in vinegar is acetic acid. The acid present in lemons and oranges-

Acetic acid

Oxalic acid

Citric acid

None of this

10. Water for supply is commonly purified by-

Chlorination

Distillation

Filtration

None of this

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