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Zinc granules are dropped into dilute sulphuric acid. The gas that bubbles out is:
ANitrogen
BChlorines
CHydrogen
DOxygen
Answer & Solution
Correct answer: C. Hydrogen
1. The metal displaces hydrogen atoms from the acid.
2. Those atoms leave as a gas.
3. So the gas is hydrogen.
_Source: syllabus Science Class X, Chapter 2, Acids, Bases and Salts._
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