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Assertion: After white washing the walls, a shiny white finish on walls isobtained after two to three days.Reason: Calcium Oxide reacts with Carbon dioxide to form Calcium Hydrogen Carbonate which gives shiny white finish. |
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Answer» Answer: Assertion: After white washing the walls, a shiny white finish on walls is obtained after two to three days. Reason: Calcium OXIDE reacts with CARBON dioxide to form Calcium HYDROGEN Carbonate which GIVES shiny white finish. 15. Assertion: Food chain is responsible for the entry of harmful chemicals in our bodies. |
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