Question # 1

Which element do not causes toxicity in water?

Choose an answer

Lead

Arsenic

Sodium

Mercury

Building are being damaged by acid rain because it attacks.

Choose an answer

Calcium sulphate

Calcium nitrate

Calcium carbonate

Calcium oxalate

Water has a maximum density at 4 ^oC

Choose an answer

12 cm^-3

2 g cm^-3

1 g cm^-3

4 gcm^-3

When a reaction ceases to proceed further , it is called.

Choose an answer

Chemical states

Static state

Physical state

Dynamic equilibrium state

The number of carbon atoms present in petroleum gas.

Choose an answer

1-2

1-3

1-4

1-5

Hookworm is a parasite that infects the:

Choose an answer

large intestine

small intestine

stomach

liver

Ethylene is present is natural gas sometimes to the extent of .

Choose an answer

10%

20%

30%

40%

Which one is homocyclic compound?

Choose an answer

Benzene

Cyclobutane

Cyclohexane

All

Which one of the following disease causes severe diarrhea and can be fatal:

Choose an answer

Jaundic

Dysentery

Cholera

Typhoid

Which type of reactions take place in both directions?

Choose an answer

Addition reactions

Reversible reactions

Irreversibel reactions

Decomposition reactions

The % age of carbon in peat is :

Choose an answer

60%

70%

80%

90%

Alkanes do not react in

Choose an answer

Diffused sunlight

Dark

Bright sunlight

None of these

The % age of nitrogen and oxygen in our atmosphere is:

Choose an answer

80

90

95

99

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