Question # 1

Which one of the following is not air pollutant.

Choose an answer

CO₂

CO

NO₂

O₂

Percentage of methane present in natural gas is.

Choose an answer

75%

80%

85%

90%

The removal of Mg⁺² and Ca⁺² Ion which are responsible for the hardness of water is called.

Choose an answer

Temporary hardness

Permanent hardness

Water softening

Hydrogen bonding

At equilibrium state there are possibilities: OR types of chemical equilibrium are.

Choose an answer

1

2

3

4

According to the Lewis concept acid is a substance which can.

Choose an answer

Donate a proton

Donate a pair of electron

Accept a proton

Accept a pair of electron.

All water soluble metallic oxides have characteristic of:

Choose an answer

acidic

basic

neutral

amphoteric

Mg²⁺ and Ca²⁺ ions react with soap to form calcium and magnesium salts of fatty acids called.

Choose an answer

Gelatin

Scum

Paste

None of them

In a Reversible Reaction if Qc = Kc then.

Choose an answer

Reaction is occuring in forward direction

Reaction is occuring in Reverse direction

Equilibrium has been allained

Reaction is not at equilibrium

Which of the following is the hardest coal?

Choose an answer

Pear

Lignite

Bituminous

Anthracite

The number of carbon atoms present in fuel oil.

Choose an answer

14-18

15-18

16-18

17-18

The % age of carbon in peat is :

Choose an answer

60%

70%

80%

90%

About 99% of atmospheric mass lies in.

Choose an answer

35 km

30 km

15 km

16 km

Cause of global warming is :

Choose an answer

CO₂ gas

SO₂gas

NO₂gas

O₂gas

More Classes

Other Links

Chemistry 10th Class English Medium Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer