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Another chemical that can be obtained from sodium chloride is \(Na_2CO_3.10H_2O\) (washing soda). Sodium carbonate can be obtained by heating baking soda; recrystallisation of sodium carbonate gives washing soda. It is also a basic salt.Sodium carbonate and sodium hydrogencarbonate are useful chemicals for many industrial processes as well.1. What is obtained by sodium chloride?(i) Washing soda(ii) Baking soda(iii) All of the above2. What is a basic salt-(i) Washing soda(ii) Baking soda(iii) All of the above3. By heating baking soda what can be obtained?(i) Sodium chloride(ii) Sodium carbonate4. Recrystallization of sodium carbonate gives ____.(i) Washing soda(ii) Baking soda5. For industrial processess which of the following is(are) used -(i) Sodium carbonate(ii) Sodium hydrogencarbonate(iii) Sodium chloride(iv) Both A and B |
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Answer» 1. (iii) All of the above 2. (iii) All of the above 3. (ii) Sodium carbonate 4. (i) Washing soda 5. (iv) Both A and B |
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