Question

State the inference drawn from the following observations:
$pH$ of liquid $R$ is $10$. What kind of substance is $R$?

Answer 1

$pH$ value represents the strength of the acidic or alkaline solution. If $pH$ is less than 7 it is acidic, equal to 7 it is neutral and more than 7, it is alkaline. Liquid $R$ is alkaline in nature.