Observe the following solutions:I. Black coff | vedclass

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(C) The $pH$ values of the given solutions are as follows:$I$. Black coffee: $pH \approx 5$ (Acidic)$II$. $0.2 \ M \ NaOH$: $pH \approx 13.3$ (Basic)$

Vedclass · Accepted Answer

$4$

Vedclass · Answer

(C) The $pH$ values of the given solutions are as follows:$I$. Black coffee: $pH \approx 5$ (Acidic)$II$. $0.2 \ M \ NaOH$: $pH \approx 13.3$ (Basic)$III$. Lemon juice: $pH \approx 2$ (Acidic)$IV$. Lime water: $pH \approx 12$ (Basic)$V$. Human Saliva: $pH \approx 6.5$ (Acidic)$VI$. Tomato juice: $pH \approx 4$ (Acidic)Solutions with $pH Therefore,the total number of acidic solutions is $4$.

Observe the following solutions:
$I$. Black coffee
$II$. $0.2 \ M \ NaOH$
$III$. Lemon juice
$IV$. Lime water
$V$. Human Saliva
$VI$. Tomato juice
The number of solutions with $pH$ less than $7$ is

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Observe the following solutions:$I$. Black coffee$II$. $0.2 \ M \ NaOH$$III$. Lemon juice$IV$. Lime water$V$. Human Saliva$VI$. Tomato juiceThe number of solutions with $pH$ less than $7$ is