The ammonium ion $(NH_4^+)$ is:

Give the conjugate acid of the following species: $HS^{-}, NH_{3}, C_{6}H_{5}COO^{-}, OH^{-}$

Self-ionisation of liquid ammonia occurs as,$2NH_3 \rightleftharpoons NH_4^+ + NH_2^-$; $K = 10^{-10}$. In this solvent,an acid might be

Which of the following statements is correct?

When $HClO_4$ is dissolved in the weak acid $HF$,the following equilibrium is established:
$HF + HClO_4 \rightleftharpoons H_2F^+ + ClO_4^-$
Which of the following is the correct set of conjugate acid-base pairs?

If you spill a chemical toilet cleaning liquid on your hand,what would be your first aid?