The highest acidic solution has a $p H$ of:

14

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7

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1

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0

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Solution

The correct option is C $0$
Less $p H \to m o r e a c i d i c$

$p H = - l o g [H^{+}]$

More $[H^{+}]$ , less $p H$

$∴$ Less $p H$ , more acidic
$∴$ $0$ is the answer

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