Question

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Answer 1

Answer:

1.Temperature of the flask will increase. ... HCl is added to flask containing Zn granules, zinc chloride is formed. Zn + 2HCl --> ZnCl2 + H2. Effervescence of H2 gas will be observed in this reaction.Feb 2, 2019

2.Hydrogen gas is liberated when an acid reacts with a metal. For example, when zinc metal reacts with dil. hydrogen is evolved and salt zinc chloride is formed as: It can be tested by bringing a burning candle near the gas.

Explanation:

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Answer 2

Answer:

5. carbon reacts with sulpheric acid to produce carbon dioxide and sulphur dioxide gas alone with water

Explanation:

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