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In a test tube hydrochloric acid …

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In a test tube hydrochloric acid is poured over a few zinc granules. List 4 observation that suggests that a chemical reaction has occurred

Posted by Sahana Sanu 1 year, 7 months ago

CBSE > Class 10 > Science

3 answers

Gurleen Kaur 1 year, 7 months ago

1 salt formed 2 hydrogen formed 3 popping sound come when H2 is pass through lime water 4Displacement reaction occur

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Vishnu Priyan 1 year, 7 months ago

Great explanation 👌

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Chandan Rajput 1 year, 7 months ago

1.zn is more reactive than hydrogen, So here displacement reaction take place. 2.here HCl is acid and zn is metal so it reacts and form salt and hydrogen gas Acid+metal-----> salt + h2 ; HCl + zn---> zncl2 + h2

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