Science
(i) A compound 'X' which is prepared from gypsum has the property of hardening when mixed with proper quantity of water.
Identify 'X' and write its chemical formula.
(ii) State the difference in chemical composition between baking soda and baking powder.
Chemical Compound
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Answer
(i) Plaster of paris — CaSO4.H2O
(ii) Difference in chemical composition between baking soda and baking powder:
| Baking soda | Baking powder |
|---|---|
| It has only one ingredient – sodium hydrogen carbonate [NaHCO3]. | For making baking powder, baking soda is mixed with mild edible acids such as (tartaric acid). |
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