List of top Chemistry Questions asked in JEE Advanced

The total number of electrons in one molecule of carbon dioxide is

When the same amount of zinc is treated separately with excess of sulphuric acid and excess of sodium hydroxide, the ratio of volumes of hydrogen evolved is

The compound which contains both ionic and covalent bonds is

The temporary hardness of water is due to calcium bicarbonate can be removed by adding

Ammonia gas can be dried by

Consider the following reaction scheme and choose the correct option(s) for the major products Q, R and S.

The number and type of bonds between two carbon atoms in $CaC_2$ are