Why do mostly men suffer from haemophilia and colour blindness? Under what conditions do women suffer from these disorders?

under what conditions do ethers from oxonium salts?

Under what conditions do we use fractional distillation ?

More men suffer from colour blindess than women because

Under what conditions do the atmospheric nitrogen and oxygen react?

Under what condition do non-ideal solutions show negative deviations?

Which of the following disorders are common in women suffering from venereal diseases?

Grapes hanging on the plant do not ferment but after being plucked from the plant can be fermented. Under what conditions do these grapes ferment? Is it a chemical or a physical change?

(a) Why are colour blindness and thalassemia categorized as Mendelian disorders ? Write the symptoms of these disease seen in people suffering from them. ( b) About 8 % of human male population suffers from colorblindness whereas only about 0.4% of human female population suffers from this disease .Write an explanation to show how it is possible.

Why zero group element do not form compound under ordinary conditions?

(c) Under what conditions do solids, liquids and gases change their state ?