Science>Chemistry>Acids, Bases and Salts>Salts

EASY

Earn 100

Which of the following are the uses of bleaching powder?

50% studentsanswered this correctly

Important Questions on Acids, Bases and Salts

HARD

Science>Chemistry>Acids, Bases and Salts>Salts

State one relevant reason for the following:

Hydrated copper sulphate crystals turn white on heating.

MEDIUM

Science>Chemistry>Acids, Bases and Salts>Salts

If excess of

{CO}_{2}

is passed through the suspension of a compound ‘X’ in water, a compound ‘Y’ is formed. Substances ‘X’ and ‘Y’ dissolve in

H_{2} {SO}_{4}

giving white compound ‘Z’ which is insoluble in water. Identify the compounds ‘X’, ‘Y’ and ‘Z’.

EASY

Science>Chemistry>Acids, Bases and Salts>Salts

The pH of 0.1 M aqueous solution of

N a C l, C H_{3} C O O N a a n d N H_{4} C l

will follow the order:

MEDIUM

Science>Chemistry>Acids, Bases and Salts>Salts

A light greenish salt is soluble in water. On passing

H_{2} S

gas into the solution, a black precipitate is obtained which dissolves readily in

HCI

. The metal ion present is

MEDIUM

Science>Chemistry>Acids, Bases and Salts>Salts

Aluminium oxide is called amphoteric oxide. Give reason.

MEDIUM

Science>Chemistry>Acids, Bases and Salts>Salts

Answer the following:

Write the formula of a salt that contains water of crystsllisation.

EASY

Science>Chemistry>Acids, Bases and Salts>Salts

Complex salt is

MEDIUM

Science>Chemistry>Acids, Bases and Salts>Salts

What do you mean by the family of salts?

HARD

Science>Chemistry>Acids, Bases and Salts>Salts

State one relevant observation for the following reactions:

Addition of excess ammonium hydroxide into copper sulphate solution.

MEDIUM

Science>Chemistry>Acids, Bases and Salts>Salts

Write the name and formula of one salt which contains ten molecules of water of crystallisation.

EASY

Science>Chemistry>Acids, Bases and Salts>Salts

What is meant by "water of crystallisation" in a substance? Explain with an example

HARD

Science>Chemistry>Acids, Bases and Salts>Salts

What are neutral salts, acidic salts and basic salt. Give two examples each of neutral, acidic and basic salts.

HARD

Science>Chemistry>Acids, Bases and Salts>Salts

The metal salt

A

is blue in colour. When salt A is heated strongly over a burner, then a substance

B

is eliminated and a white powder

C

is left behind. When a few drops of a liquid

D

are added to powder

C

, it becomes blue again. What could be

A, B, C

and

D

?

EASY

Science>Chemistry>Acids, Bases and Salts>Salts

Explain how anhydrous copper sulphate can be used to detect the presence of moisture (water) in a liquid.

MEDIUM

Science>Chemistry>Acids, Bases and Salts>Salts

Write the name and formula of one salt which contains five molecules of water of crystallisation.

MEDIUM

Science>Chemistry>Acids, Bases and Salts>Salts

What is meant by 'hydrated' and 'anhydrous' salts? Explain with examples.

MEDIUM

Science>Chemistry>Acids, Bases and Salts>Salts

What is a Salt? Name any two salts.

MEDIUM

Science>Chemistry>Acids, Bases and Salts>Salts

Predict if the solutions of the following salts are neutral, acidic or basic:

N a C l, K B r, N a C N, {N H}_{4} {N O}_{3}, {N a N O}_{2}

and

K F

.

MEDIUM

Science>Chemistry>Acids, Bases and Salts>Salts

What is meant by a family of salts? Explain with examples.

EASY

Science>Chemistry>Acids, Bases and Salts>Salts

Which of the following salt has a blue colour and why?

{C u S O}_{4} . 5 H_{2} O

or

{C u S O}_{4}