The minimum energy required to allow a chemical reaction to proceed is termed as the ‘threshold energy ‘. Chemical reactions with low activation energy are ________?

Hollow refractory bricks are made by________?

Forward reaction will be favoured for the exothermic reaction, represented by CO + H2O ⇌ CO2 + H2, by________?

Hard coke is manufactured from________?

Quinoline is a/an ________ compound?

The irreversible reaction, X → Y, is the special case of the reversible reaction, X ⇌ Y, in which the ________?