Question

Explain uses of each

1) Bleaching powder

2) Sodium hydrogen carbonate

3) Washing soda

4) Plaster of paris

With chemical formulas

Answer 1

I hope this is useful for you

Answer 2

Answer:

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1) Bleaching powder:

• It is used for bleaching dirty clothes in the laundry, as a bleaching agent for cotton and linen in the textile industry.
• It is a strong oxidizing agent hence used as an oxidizer in many industries.
• It is used as a disinfectant which is used for disinfecting water to make potable water.

Chemical formula:

$=>$ Ca(OH)2 + Cl2 -----> CaOCl2 + H2O

2) Sodium Hydrogen Carbonate:

• Sodium hydroxide carbonate is used as an antacid in medicine to remove acidity of the stomach.
• Sodium hydrogen carbonate is used in making baking powder.
• It is also used in fire extinguishers.

Chemical formula:

$=>$ NaCl + NH3 + H2O + CO2 -------> NaHCO3 + NH4Cl

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