Question

please tell me answer please​

Answer 1

$\sf\huge\underline{Answer :-}$

Find out the chemical formulae, chemical names & use of the substances given below.

1. Caustic Soda

• Chemical formula - NaOH
• Chemical name - Sodium Hydroxide.
• Use - It is used in the manufacture of soap, detergents etc.

2. Caustic Potash

• Chemical formula - KOH
• Chemical name - Potassium Hydroxide.
• Use - It is used in the production of liquid fertilizers.

3. Baking soda

• Chemical formula - NaHCO3
• Chemical name - Sodium bicarbonate.
• Use - It is used in baking of cakes, pastries etc.

4. Washing soda

• Chemical formula - Na2CO3
• Chemical name - Sodium Carbonate.
• Use - It is used in laundry.

5. Limestone

• Chemical formula - CaCO3
• Chemical name - Calcium Carbonate.
• Use - It is used in construction of buildings.

6. Quick lime

• Chemical formula - CaO
• Chemical name - Calcium Oxide.
• Use - It is used in the production of iron and steel.

7. Lime water

• Chemical formula - Ca(OH)2
• Chemical name - Calcium Hydroxide.
• Use - Lime water is used to improve your digestion and health.

8. Plaster of Paris

• Chemical formula - CaSO4
• Chemical name - Calcium Sulphate Hemihydrate.
• Use - It is used as a plaster for fractured bones.

9. Blue vitriol

• Chemical formula - CuSO4
• Chemical name - Copper Sulphate.
• Use - It is used as a herbicide.

Answer 2

Answer:

1. Caustic Soda

Chemical formula - NaOH

Chemical name - Sodium Hydroxide.

Use - It is used in the manufacture of soap, detergents etc.

2. Caustic Potash

Chemical formula - KOH

Chemical name - Potassium Hydroxide.

Use - It is used in the production of liquid fertilizers.

3. Baking soda

Chemical formula - NaHCO3

Chemical name - Sodium bicarbonate.

Use - It is used in baking of cakes, pastries etc.

4. Washing soda

Chemical formula - Na2CO3

Chemical name - Sodium Carbonate.

Use - It is used in laundry.

5. Limestone

Chemical formula - CaCO3

Chemical name - Calcium Carbonate.

Use - It is used in construction of buildings.

6. Quick lime

Chemical formula - CaO

Chemical name - Calcium Oxide.

Use - It is used in the production of iron and steel.

7. Lime water

Chemical formula - Ca(OH)2

Chemical name - Calcium Hydroxide.

Use - Lime water is used to improve your digestion and health.

8. Plaster of Paris

Chemical formula - CaSO4

Chemical name - Calcium Sulphate Hemihydrate.

Use - It is used as a plaster for fractured bones.

9. Blue vitriol

Chemical formula - CuSO4

Chemical name - Copper Sulphate.

Use - It is used as a herbicide.