When sugar is brought into contact with concentrated $H_2SO_4$,it turns black due to .......

Out of the two allotropic forms of dihydrogen,the form with lesser molecular energy is

Identify the catalyst used in the reaction: $CO_2 + 2H_2 \xrightarrow{?} CH_3OH$

Which of the following substances is used in the laboratory for fast drying of neutral gases?

Which of the following processes does not involve the use of dihydrogen?

Carbon monoxide is a neutral oxide of carbon,but it acts as a very strong field ligand and associates with metals to form complex compounds. These complex compounds are very useful and used in metallurgical processes. Water gas is a mixture of