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Worksheets

Language of Chemistry

Total questions: 17

Worksheet time: 10mins

Name
Class
Date
1.

What is the Latin name of Gold?

a)

Auroram

b)

Argentum

c)

Aurum

d)

Goldium

e)

There is no Latin name of Gold

2.

What is the symbol for Antimony?

a)

Sb

b)

An

c)

Sn

d)

Pb

e)

At

3.

Sn is the chemical symbol for which element?

a)

Mercury

b)

Tin

c)

Silicon

d)

Snallium

e)

None of Above

4.

Which of the following element/s have variable valency?

a)

Silver

b)

Scandium

c)

Tin

d)

Nitrogen

e)

Iron

5.

What is valency of Oxygen?

a)

60

b)

0

c)

1

d)

2

e)

3

6.

What are variable valencies of Sulphur?

a)

3

b)

2

c)

6

d)

4

e)

1

7.

What is atomic mass of Carbon?(write approx in numericals)

(a)  

8.

What is the valency of NH4

a)

0

b)

1

c)

2

d)

3

e)

4

9.

What is the chemical formula of sulphuric acid?

a)

H2SO3

b)

HSO4

c)

H2SO4

d)

H4SO3

e)

None of above

10.

____________ is a symbolic representation of its one molecule

a)

Atomic Mass

b)

Molecular Formula

c)

Valency

d)

Radical

e)

Chemical Equation

11.

______ radicals have positive charge.

a)

Basic

b)

Acidic

c)

Neutral

d)

Bromide

12.

If an element has 2 different valencies, the suffix ____ is used for higher valency

a)

ite

b)

ic

c)

ate

d)

ide

e)

ous

13.

What is the chemical formula of nitric oxide?

a)

HNO4

b)

HNO3

c)

HNO2

d)

H2NO3

e)

HNO

14.

What is the unit of atomic mass?

a)

IUPAC

b)

amu

c)

1/12th of mass of Carbon

d)

1/16th of mass of Oxygen

e)

Gravity

15.

In a chemical reaction ,what does '⇌' indicate ?

a)

Reversible Reaction

b)

Irreversible Reaction

c)

Presence of Catalyst

d)

Formation of Precipitate

e)

Presence of heat

16.

In a chemical reaction ,what does 'Δ' indicate ?

a)

Reversible Reaction

b)

Irreversible Reaction

c)

Presence of Catalyst

d)

Formation of Precipitate

e)

Presence of heat

17.

Which gas is given out when coal is burnt in air?

a)

Carbon Monoxide

b)

Carbon Dioxide

c)

Oxygen

d)

Nitrogen

e)

Lead Monoxide

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