Free Printable chemistry quiz

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Worksheets

chemistry quiz

Total questions: 5

Worksheet time: 3mins

Name

Class

Date

1.

Amnong the following which one is noble gas?

a)

Hydrogen

b)

Helium

c)

Nitrogen

d)

Carbon

2.

The submbol of elements saodium is.......

a)

S

b)

SO

c)

Na

d)

Se

3.

The number of hydrogen present in 3 H2O is

a)

3

b)

2

c)

9

d)

6

4.

The valancy of element Mg is

a)

2

b)

1

c)

+1

d)

0

5.

What is the molecular formula of benzen

a)

C6H21

b)

C6H12

c)

C5H10

d)

C6H6

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