Q5.(a) Write down five products formed with the help of common salt onn industrial level. (b) Write down the chemical name of these compounds and one use of each of them.
Answers
Answer:
1) Sodium hydroxide. (NaOH)
2) Baking soda ( NaHCO3)
3) Washing soda ( Na2CO3.10H2O )
4) Bleaching powder (CaOCl2).
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Answer:
Sodium Hydroxide (NaOH) - Sodium hydroxide is used for de-greasing of metals, manufacturing of paper, soap, detergents, artificial fibres, bleach, etc., Bleaching Powder (CaOCl2) - Bleaching powder is used as disinfectant to clean water, moss remover, weed killers, etc., Baking Soda (NaHCO3) - Baking soda is used in making of baking powder, which is used in cooking as it produces carbon dioxide which makes the batter soft and spongy., Baking powder(sodium bicarbonate) - Baking powder is used to increase the volume and lighten the texture of baked goods. It works by releasing carbon dioxide gas into a batter or dough through an acid-base reaction, causing bubbles in the wet mixture to expand and thus leavening the mixture., Washing Soda (Na2CO3 ) - It is used in cleaning of cloths; especially in rural areas.