Question

i. Write the chemical formula of the following

(a) Baking Soda (b) Washing soda

ii. Why baking powder is used instead of baking soda while

preparing bread or cake?

iii. Mention one use each of baking soda (except baking) and

washing soda(except in washing/cleaning).​

Answer 1

Answer:

1

The chemical formula of washing soda is Na2CO3,

the chemical formula ‎of sodium is NaHCO3 .

2.

1 That's because baking soda is not a baking powder substitute. If you swap in an equal amount of baking soda for baking powder in your baked goods, they won't have any lift to them, and your pancakes will be flatter than, well, pancakes. You can, however, make a baking powder substitute by using baking soda.

3(a) Two important uses of washing soda:

(i) It is used in the manufacture of soap and glass.

(ii) It is used to remove the permanent hardness of water.

(b) Two important uses of baking soda:

(i) It is used for making baking powder.

(ii) It is used in soda-fire extinguishers.