NCERT- Intext questions - II — 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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Answer variants:

Dry slaked lime

$Ca(OH)_2$ .

The solution

$A$ with pH =

$6$ is acidic and has more hydrogen ion concentration.

Curd contains 'Acetic acid' which reacts with metals.

1. You have two solutions,

$A$ and

$B$ . The pH of solution

$A$ is

$6$ and pH of solution

$B$ is

$8$ . Which solution has more hydrogen ion concentration? Which of this is acidic and which one is basic?

2. Name the substance which on treatment with chlorine yields bleaching powder.

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21. NCERT- Intext questions - II