Give reasons why carbon is tetravalent.

Give reasons why convex mirrors are generally used as driving mirrors.

Give reasons why copper is used to make hot water tank and not steel (an alloy of iron).

Give reason as to why starch is stained blue with lodin, but cellulose is not, though both are polymers of glucose.

Give reasons why the aromatic amines are weaker bases than aliphatic amines.

Give two reasons why aII minerals cannot be absorbed passively by the roots.

Give reasons: ozone is more reactive than oxygen why?

Give three reasons why aryl halides are less reactive towards nucleophilic substitution reaction?

Give reasons why Alkenes and alkynes are more reactive than alkanes.

Give reason why is zinc better than Tin in protecting iron from corrosion?