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Worksheets

Miscellaneous Chemistry

Total questions: 20

Worksheet time: 20mins

Name
Class
Date
1.

Cl2 is a/an

a)

atom

b)

compound

c)

molecule

d)

ion

2.

Metallic character is the ability to _____________

a)

Gain electrons

b)

Become an anion

c)

Become a cation

d)

Lose electrons

3.

The atomic symbol of Mercury is _________________

a)

Mg

b)

K

c)

Hg

d)

Sn

4.

The chemical formula of sodium phosphate is ___________

a)

Na2SO4

b)

Na3PO4

c)

Na2PO4

d)

(Na)3PO4

5.

which of these is acidic oxide?

a)

SO2

b)

NaOH

c)

CaO

d)

BeO

6.

The metal carbonates are _________ in nature.

a)

basic

b)

acidic

7.

Covalent bonds are formed between the atoms of __________

a)

Metals

b)

Non metals

8.

An element Q is in group 4, it contains 4 ______

a)

shells

b)

protons

c)

valence electrons

9.

An element is in group 2 and period 3, it contains

a)

2 valence electrons and 3 shells

b)

2 shells and 3 valence electrons

10.

choose the most reactive metal from the options

a)

Lithium

b)

beryllium

c)

Rubidium

d)

sodium

11.

Choose the most reactive non- metal

a)

Chlorine

b)

fluorine

c)

iodine

d)

bromine

12.

Choose the gas that is used in balloons, in airships

a)

argon

b)

krypton

c)

Helium

d)

Xenon

13.

Choose the element that is used in airport run way lights

a)

Helium

b)

Neon

c)

Argon

d)

Krypton

14.

Choose the option that gives correct name of the elements in fertilizers

a)

Sodium, phosphorus, Magnesium

b)

Nitrogen, phosphorous, Magnesium

c)

Nitrogen, Phosphorous, Potassium

d)

Sodium, Phosphorous, potassium

15.

The metals used as catalysts in catalytic converter

a)

Platinum and potassium

b)

Platinum and Palladium

c)

Platinum and Potassium

d)

Platinum and Calcium

16.

Which of these is poisonous

a)

CO2

b)

SO2

c)

H2

d)

CO

17.

To prepare ammonium nitrate in laboratory, Ammonia is added into ___________

a)

Nitric acid

b)

Hydrochloric acid

c)

Sulphuric acid

d)

Phosphoric acid

18.

The catalyst used in contact process is ____________

a)

Finely divided iron

b)

vanadium pentoxide

c)

Nickel

19.

Which of these can be used as a dehydrating agent?

a)

Dilute sulphuric acid

b)

limestone

c)

Concentrated sulphuric acid

d)

ammonia

20.

Choose which of these is slaked lime

a)

CaO (s)

b)

CaCO3 (s)

c)

Ca(OH)2 (s)

d)

Ca(OH)2 aq