Consider the following statements

1. Dynamite is prepared by mixing nitroglycerine with sawdust and ammonium nitrate.
2. Liquor poisoning is due to the presence of methyl alcohol.
3. Ethanol is generally present in tonics.

Which of the above are correct?

Consider the following statements about oxidation. It is the process which involves:

$1$. Removal of oxygen.

$2$. Addition of hydrogen.

$3$. Removal of an electropositive element.

$4$. Addition of an electronegative element.

Which of the statements given above is/are true?

What is the oxidising agent in the following equation?

${\mathrm{HAsO}}_2\left(\mathrm{aq}\right)+{\mathrm{Sn}}^{2+}\left(\mathrm{aq}\right)+{\mathrm{H}}^{+}\left(\mathrm{aq}\right)⟶\mathrm{As}\left(\mathrm{s}\right)+{\mathrm{Sn}}^{4+}\left(\mathrm{aq}\right)+{\mathrm{H}}_2\mathrm{O}\left(\mathrm{l}\right)$