16.Write the chemical formula of washing soda. How can it be obtained from baking soda. How
can it be obtained from baking soda ?List two industries in which washing soda is used for other
purposes than washing clothes.
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10H2O. Washing soda can be obtained by heating baking soda. On heating, baking soda gives sodium carbonate, carbon dioxide and water. Consequently, the recrystallisation of sodium carbonate gives washing soda.
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