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SSC-II CHEMISTRY

Authored by Tooba Saleem

Chemistry

10th Grade

Used 1+ times

SSC-II CHEMISTRY
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12 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Identify the molecule produced when electrical discharges pass through the oxygen in air:

O2

O

03

04

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Permanent hardness of water can be removed by:

Boiling

Cooling

Clarks method

Ion exchange method

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which compound has two halogen atoms on adjacent carbon atoms?

vicinal dihalide

alkyl halide

anhydride

alcohol

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The linkage which joins two amino acid units is called:

peptide bond

ionic bond

covalent bond

metallic bond

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Identify the compound responsible for acid rain:

nitric oxide

sulphur dioxide

nitrous oxide

all of above

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The volumetric ratio of hydrogen and oxygen in water is:

1;3

1;2

2;1

1;4

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The functional group in formaldehyde is

_CHO

_COOH

_OR

_OH

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