Question # 1

Percentage of carbon in peat is.

Choose an answer

50%

60%

70%

80%

Water has a maximum density at .

Choose an answer

10^oC

0^oC

4^oC

100^oC

Which disease cause when humans use water of industrial effluents.

Choose an answer

Cancer

Asthma

Jaundice

cholera

Which one of the mineral acid.

Choose an answer

HCl

H₂SO₄

HNO₃

All of these

According to Bronsted and Lowry concept a base is a substance that can accept.

Choose an answer

Proton

Electron pair

Neutron

Electron

Lavoisier named binary compounds of oxygen acids in .

Choose an answer

1787

1790

1815

1828

A complete reaction is one is which.

Choose an answer

All the reactants convert into products.

All the reactants do not convert into products.

Half reactants convert into products.

Only 10% reactants convert into products.

The envelope of different gases around the earth is called.

Choose an answer

Atmosphere

Brosphere

Lithosphere

Hydrosphere

Dynamic means, reaction is:

Choose an answer

In forward direction

Stop

In reverse direction

Still continuing.

A reaction between an acid and base produce.

Choose an answer

Salt and water

Salt and gas

Salt and acid

Salt and bases

Formula of Decane is.

Choose an answer

C₁₀H₂₀

C₁₀H₂₂

C₁₀ H₄

C₁₀H₁₆

Temporary hardness is because of.

Choose an answer

Ca(HCO₃)₂

CaCO₃

MgCO₃

MgSO₄

The percentage of protein in dry weight of cell.

Choose an answer

20%

40%

50%

70%

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