A solution turns red litmus blue, its $pH$ is likely to be

  • A

    $1$

  • B

    $4$

  • C

    $10$

  • D

    $5$

Similar Questions

Write word equations and then balanced equations for the reaction taking place when -

$(a)$ dilute sulphuric acid reacts with aluminium powder.

$(b)$ dilute hydrochloric acid reacts with iron filings.

What effect does the concentration of $H^+_{(aq)}$ ions have on the nature of the solution ?

A milkman adds a very small amount of baking soda to fresh milk.

$(a)$ Why does he shift the $pH$ of the fresh milk from $6$ to slightly alkaline ?

$(b)$ Why does this milk take a long time to set as curd ?

Fresh milk has a $pH$ of $6$. How do you think the $pH$ will change as it turns into curd ? Explain your answer.

Compounds such as alcohols and glucose also contain hydrogen but are not categorised as acids. Describe an Activity to prove it.