Question # 1

Which disease cause when humans use water of industrial effuents.

Choose an answer

Cancer

Asthma

Jaundica

Cholera

Which are called paraffines?

Choose an answer

Alkyle

Alkynes

Alkenes

Alkanes

What is the percentage of carbon in anthracite?

Choose an answer

60%

70%

80%

90%

Boiling point of alcohol in centigrade is.

Choose an answer

68

78

118

128

Which type of reactions take place in both directions?

Choose an answer

Addition reactions

Reversible reactions

Irreversibel reactions

Decomposition reactions

The unit of molar concentration:

Choose an answer

mol. dm^-2

mol. dm^-1

mol. dm

mol. dm^-3

The nitrogen present in urea is used by plants to synthesize.

Choose an answer

Sugar

Proteins

Fats

DNA

Hook warm larvae enter the body through.

Choose an answer

Food

Water

Skin

All of them

Who proved that the presence of hydrogen as the main constituent of all acids.

Choose an answer

Lavoisier

Humphrey Davy

Dalton

Arrhenius

Swimming pools are cleaned by a process:

Choose an answer

Hydrogenation

Bromination

Chlorination

Nitration

General formula of Alkyl radical is..

Choose an answer

C₆H_2n-2

C_nH_2n+2

C₁₁H_2n-1

C_nH_2n-2

Out of twenty how many amino acids can by synthesized by human body?

Choose an answer

Five

Ten

Seven

Twelve

The freezing point of water is:

Choose an answer

10 ^oC

100^oC

0^oC

46^oC

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