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1. |
Compound 'X' in the aqueous form reacts with ammonium carbonate to give an acidic gas. What is compound 'X'? |
A. | Calcium hydroxide |
B. | Ethanoic acid |
C. | Stain was of ice-cream and the cloth washing bar was acidic. |
D. | Sulphuric acid |
Answer» E. | |