NCERT Exemplar VIII — 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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Multiple Choice Questions:

1. Vinegar is a solution of

5% – 8% acetic acid in alcohol
50% – 60% acetic acid in alcohol
5% – 8% acetic acid in water
50% – 60% acetic acid in water

2. Mineral acids are stronger acids than carboxylic acids because
(i) mineral acids are completely ionised
(ii) carboxylic acids are completely ionised
(iii) mineral acids are partially ionised
(iv) carboxylic acids are partially ionised

(i) and (ii)
(ii) and (iii)
(iii) and (iv)
(i) and (iv)

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21. NCERT Exemplar VIII

Exercise condition: