The $p H$ of lemon juice is:

4

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10

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7

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2.2

2.4

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Solution

The correct option is D $2.2$ to $2.4$
$p H$ is a numeric scale used to specify the acidity or alkalinity of a solution. Solutions with $p H$ less than 7 are acidic solutions and the solutions with $p H$ greater than 7 are alkaline. $p H$ is the negative of the logarithm to base 10 of the activity of hydronium ion. Juice is highly acidic in nature so it has $p H$ less than 7 near to 2.5.

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The pH of lemon juice is:

The $p H$ of lemon juice is: