" Prevention is better than Cure" Comment.

Why is CNG better than diesel?

Iodide ion is a better nucleophile than bromide ion.

Iodide ion is a better nucleophile than bromide ion.

True of False : lodide ion is a better nucleophile than bromide ion.

Second generation vaccines are better than first generation vaccines.

Genetically produced insulin is better than those produced by conventional methods.

Give scientific reasons for the following statements: Cell principle is better than cell theory.

Why the detergents with straight hydrocarbon groups are better than the detergents with branched chain hydrocarbon groups ?