Question

identify the acids and bases from which the above salts may be obtained. sodium chromate
potassium dichromate
cobalt nitrate
copper sulfate
Nickle chloride
potassium permanganate
washing soda
bleaching powder
baking soda

Answer 1

Answer:

1 Sodium Carbonate is the disodium salt of carbonic acid with alkalinizing property. When dissolved in water, sodium carbonate forms carbonic acid and sodium hydroxide. As a strong base, sodium hydroxide neutralizes gastric acid thereby acting as an antacid.

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Answer 2

Answer:

1. chromic acid

2. Dichromic acid

3. Cobalt metal

4. sulphuric acid

5. hydrochloric acid

6. permanganic acid

7. carbonic acid and sodium hydroxide

8. calcium hydroxide

9. carbonic acid and sodium hydroxide