NCERT- Previous year one mark questions -III — task. Science CBSE, Class 10.

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எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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\(HC\) is a weak acid and undergoes complete ionisation whereas \(CH_3COOH\) does not as it is a strong acid.

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Hydrogen gas, \(H_2\)

1. Which gas is evolved when dilute hydrochloric acid reacts with zinc metal? Write the molecular formula of this gas.

2. How will you test for the gas which is liberated when hydrochloric acid reacts with an active metal?

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27. NCERT- Previous year one mark questions -III