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Acid,Base and salts

Total questions: 15

Worksheet time: 9mins

Name
Class
Date
1.

Which of the following is a Mineral Acid?

a)

Citric Acid

b)

Oxalic Acid

c)

Glycolic Acid

d)

Sulphuric Acid

2.

ammonium carbonate + nitric acid gives (a)   salt

3.

Salt is formed when ______ ion is displaced from the acid

a)

cation

b)

anion

4.

Salt is _______

a)

ionic compound

b)

covalent compound

5.

acid reacts with carbonates to form salt, water and _____

a)

carbon dioxide gas

b)

oxygen gas

c)

hydrogen gas

d)

metal carbonate

6.
A ___ is formed when an positive ion bonds with a negative ion.
a)
Acid
b)
base
c)
salt
d)
neutral ion
7.

The compounds obtained on heating baking soda are

a)

Sulphur dioxide and sodium carbonate

b)

Sodium bicarbonate, water and carbon dioxide

c)

Sodium carbonate, water and carbon dioxide

d)

Hydrochloric acid and water

8.

A colourless and odourless gas is liberated when hydrochloric acid is added to a solution of washing soda. The name of the gas is

a)

Carbon dioxide

b)

Nitrogen dioxide

c)

Sulphur dioxide

d)

Sulphur trioxide

9.

Which of the following base is used in the manufacture of bleaching powder?

a)

Sodium hydroxide

b)

Calcium hydroxide

c)

Potassium hydroxide

d)

Magnesium hydroxide

10.

A drop of solution 'X' is placed on a strip of pH paper. A deep red colour is produced. The solution 'X' is

a)

NaOH

b)

HCl

c)

H2O

d)

Na2CO3

11.
What is the name of this ion: H3O+?
a)
helium ion
b)
hydrogen ion
c)
hepatic ion
d)
hydronium ion
12.
BASE + ACID ----> SALT +?
a)
water
b)
oxygen
c)
hydrogen ion
d)
hydroxide ion
13.
Washing soda has the formula
a)
Na2CO3.7H2O
b)
Na2CO3.10H2O
c)
Na2CO3.H2)
d)
Na2CO3
14.
Setting of Plaster of Paris takes place due to
a)
Oxidation
b)
Reduction
c)
Dehydration
d)
Hydration
15.
Plaster of Paris is made from
a)
Lime stone
b)
Slaked Lime
c)
Quick lime
d)
Gypsum