Question

PLS TELL THE ANSWER OF 4 5 AND 7
CLASS 10 ACID BASES AND SALTS​

Answer 1

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4) 1. x is sodium hydrogen carbonate (NaHCo3)

2. CO2+H2­­­o+NH3+Na+ → NaHCO3+NH4

3. When baking soda is heated then , it forms Sodium bicarbonate along with carbon dioxide gas and water .

The reaction given is :-

NaHCO3 + ( heat ) ---> Na2CO3 + CO2 + H2O

5. 1. X- sodium hydrogen carbonate

Y. baking powder

uses of x

is used as an antacid in medicine

It is used in making baking powder. Baking powder is a mixture of baking soda and a mild edible tartaric acid.

uses of Y

Used in the process of washing as a water softener.

Due to the formation of soapy foam, it is used in fire extinguishers.

7.

1. The water of crystallization in any compound is responsible for the hydration of that salt,

2. 5 water molecules

3. refer to the attachment

4. Sodium carbonate (Na2CO3 · 10H2O) contains ten molecules of water of crystallisation.

gypsum...... CaSO4.2H2O

Answer 2

Answer:

4) 1. x is sodium hydrogen carbonate (NaHCo3)

2. CO2+H2­­­o+NH3+Na+ → NaHCO3+NH4

3. When baking soda is heated then , it forms Sodium bicarbonate along with carbon dioxide gas and water .

The reaction given is :-

NaHCO3 + ( heat ) ---> Na2CO3 + CO2 + H2O

5. 1. X- sodium hydrogen carbonate

Y. baking powder

uses of x

is used as an antacid in medicine

It is used in making baking powder. Baking powder is a mixture of baking soda and a mild edible tartaric acid.

uses of Y

Used in the process of washing as a water softener.

Due to the formation of soapy foam, it is used in fire extinguishers.

7.

1. The water of crystallization in any compound is responsible for the hydration of that salt,

2. 5 water molecules

3. refer to the attachment

4. Sodium carbonate (Na2CO3 · 10H2O) contains ten molecules of water of crystallisation.

gypsum...... CaSO4.2H2O