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Question
Copy and complete the following table:
| Column 1 Substance reacted with acid |
Column 2 Dilute or concentrated acid |
Column 3 Gas |
| Hydrogen | ||
| Carbon dioxide | ||
| Only chlorine |
Solution
| Column 1 Substance reacted with acid |
Column 2 Dilute or concentrated acid |
Column 3 Gas |
| Zinc | Dilute sulphuric acid | Hydrogen |
| Calcium carbonate acid | Concentrated sulphuric acid | Carbon dioxide |
| Bleaching power \[\ce{CaOCl2}\] | Dilute sulphuric acid | only chlorine |
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