$A$ mixture of concentrated $HCl$ and $HNO_3$ in a $3:1$ ratio contains ..........

Combination of which parameters explains the higher oxidizing strength of $F_2$ as compared to $Cl_2$ in water?

Name the gaseous products from the following $A$ and $B$ reactions,respectively.
$A.$ Hydrochloric acid is added to sodium sulphide.
$B.$ Concentrated sulphuric acid is added to a mixture of sodium chloride and manganese dioxide.

Which of the following halogens combines with dihydrogen at the lowest temperature?

Sea weed is employed as a source of manufacture of

Iodine is readily soluble in a solution of potassium iodide to give ...........