Question

34. How would you distinguish between baking powder and washing soda by heating?

Answer 1

Answer:

Washing Soda

White coarse powder

Has a pH level of 11

Naturally derived from plant ashes

Molecular formula is Na2CO3; chemically known as Sodium Carbonate

Also called soda ash

Caustic and may scratch surfaces; not safe to eat; should not be applied to the skin

Explanation:

Baking Soda

White fine powder

Has a pH level of 8.1

Collected from a natural mineral called nahcolite

Molecular formula is NaHCO3; chemically known as Sodium Carbonate

Also called cooking soda or bicarbonate of soda

Mild and does not damage surfaces; edible and can be used in baking and cooking; can be applied to the skin

Hope this will help you.

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Answer 2

Answer:

How would you distinguish between baking powder and washing soda by heating? Answer: On heating (baking soda), CO2 (carbon dioxide) gas is given out that turns limewater milky While on heating . 10H2O (washing soda) water of crystallization is given out and the salt becomes anhydrous.