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What is the chemical name of …

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What is the chemical name of washing soda? Name the three main raw materials required for making it? Write the reaction involved in the preparation of washing soda.​
  • 3 answers

Ranvijay Kumar 4 years, 11 months ago

Na2co3

10A_9_Jignesh Kumar Baranda 4 years, 11 months ago

Thanks

Yogita Ingle 4 years, 11 months ago

Washing soda is a whitish, odourless powder. Its chemical formula is Na2CO3 and is better known as sodium carbonate. 

Sodium chloride (NaCI), ammonia (NH3) and limestone (CaCO3) are raw materials used for the manufacture of washing soda by Solvay process.

At first, sodium bicarbonate is obtained which is then converted to sodium carbonate on heating. Finally, washing soda is produced by recrystallization of sodium carbonate.

  • NaCl + NH3 + CO2 + H2O → NaHCO3 + NH4Cl
  • 2 NaHCO→ Na2CO3 + H2O + CO2
  • Na2CO3 + 10H2O → Na2CO3.10H2O
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