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Question
Fill in the blank.
Potassium sulphite on reacting with hydrochloric acid releases ________
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Solution
Potassium sulphite on reacting with hydrochloric acid releases sulphur dioxide.
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| Column A | Column B |
| 1. A substance that turns moist starch iodide paper blue. |
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| 4 . A compound which on heating with sodium hydroxide produces a gas which forms dense white fumes with hydrogen chloride. |
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| 5 . A white solid which gives a yellow residue on heating. |
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