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Worksheets

chemistry

Total questions: 50

Worksheet time: 25mins

Name
Class
Date
1.

Which of the following metal is liquid at room temperature

a)

Iron

b)

Mercury

c)

Hydrogen

2.

The word 'atom' is derived from Greek word atomos meaning

a)

Very small

b)

Uncuttable

c)

Unit

3.

Can a atom exist independently or not?

a)

Yes

b)

No

c)

May or may not

4.

What are the constituents of Ammonia

a)

Nitrogen, hydrogen

b)

Zinc, chlorine

c)

Copper, sulphur

5.

Is helium a noble gas?

a)

Yes

b)

No

6.

Which of the following metal is liquid at room temperature

a)

Iron

b)

Mercury

c)

Hydrogen

7.

Symbol of iron is

a)

Fe

b)

Ne

c)

F

8.

Cu is the symbol of

a)

Carbon

b)

Calcium

c)

Copper

9.

Who is called the father of the periodic table?

a)

Antonio Lavoisier

b)

Dmitri Mendeleev

c)

Henry Cavendish

10.

Latin name of gold is

a)

Aurum

b)

Argentum

c)

Natrium

11.

This compound is used to make bread and cakes spongy

a)

Washing powder

b)

Baking powder

c)

Flour

12.

The symbol of Cobalt is

a)

CO

b)

Co

c)

Cb

d)

CB

13.

What is the atomic number of nitrogen?

a)

6

b)

7

c)

8

d)

9

14.

What is the atomic number of boron?

a)

3

b)

4

c)

5

d)

6

15.

What is the atomic number of aluminum?

a)

10

b)

11

c)

12

d)

13

16.

What is the atomic number of fluorine?

a)

4

b)

5

c)

7

d)

9

17.

Atomic number 26 is

a)

Fe

b)

Cr

c)

Si

d)

Cl

18.

Atomic number 12 is

a)

manganese

b)

silicon

c)

titanium

d)

magnesium

19.

Atomic number 18 is

a)

neon

b)

helium

c)

argon

d)

chlorine

20.

Atomic number 2 is

a)

oxygen

b)

carbon

c)

helium

d)

hydrogen

21.

What is the atomic number of oxygen?

a)

10

b)

9

c)

8

d)

7

22.

Atomic number 11 is

a)

Ar

b)

K

c)

Na

d)

Ti

23.

Atomic number 25 is

a)

Ni

b)

Mg

c)

Mn

d)

Zn

24.

Atomic number 21 is

a)

Ca

b)

Sc

c)

Fe

d)

Co

25.

What is the atomic number of Cu?

a)

25

b)

26

c)

27

d)

29

26.

What is the atomic number of Be?

a)

2

b)

4

c)

6

d)

8

27.

Calcium

a)

Cl

b)

Ca

c)

C

d)

Cm

28.

Neon

a)

N

b)

No

c)

Ne

d)

Nn

29.

Sulfur

a)

Sf

b)

Su

c)

Sr

d)

S

30.

Zinc

a)

Z

b)

Zi

c)

ZN

d)

Zn

31.

Carbon

a)

CA

b)

C

c)

Ca

d)

Cn

32.

Xenon

a)

Xe

b)

X

c)

Xn

d)

Xo

33.

Potassium

a)

P

b)

K

c)

Pt

d)

k

34.

Mg

a)

Manganese

b)

Mangium

c)

Magnesium

d)

Manzanium

35.

Aluminum

a)

A

b)

Al

c)

Am

d)

Au

36.

Iodine

a)

Ie

b)

I

c)

Id

d)

Io

37.

Mercury

a)

Me

b)

Hg

c)

HG

d)

ME

38.

Nickel

a)

Ni

b)

N

c)

Nl

d)

Nc

39.

Iron

a)

Ir

b)

In

c)

Fe

d)

FE

40.

Pb

a)

Gold

b)

Lead

c)

peanut butter

d)

Paribium

41.

Gold

a)

Go

b)

Gl

c)

AU

d)

Au

42.

N

a)

Sodium

b)

Nitrogon

c)

Nonium

d)

Nitrogen

43.

Hydrogen

a)

Hy

b)

H

c)

Hr

d)

Hn

44.

Helium

a)

He

b)

Hl

c)

HE

d)

Hm

45.

Copper

a)

CU

b)

Cp

c)

Cu

d)

Cr

46.

Calcium

a)

Cl

b)

Ca

c)

C

d)

Cm

47.

Neon

a)

N

b)

No

c)

Ne

d)

Nn

48.

Sulfur

a)

Sf

b)

Su

c)

Sr

d)

S

49.

Sn

a)

tin

b)

sulfur

c)

iron

d)

sodium

50.

Carbon

a)

CA

b)

C

c)

Ca

d)

Cn

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