Does `log_(2)0` exist ? Give reason .

Does log_(10)0 exist?

Ramu says, "If log_10 x = 0 , value of x = 0 ". Do you agree with him ? Give reason.

CO_(2) is linear whereas SO_(2) is bend-shaped. Give reason? Why does H_(2)O have bent structure?

Which does not exist ?

Acetic acid moolecules in non-aqueous solution (or) in vapour state show molecule weight 120 . Give reason (or) Why CH_3 COOH exists as dimer.

Does self incompatibility impose any restrictions on autogamy ? Give reasons and suggest the method of pollination in such plants.

Can you draw a triangle with vertices (-2,-2)(4,50(0,11)? Give reason.

Why does the rate of breathing increase while walking uphill at a normal pace in the mountains ? Give two reasons.

Though nitrogen exhibits +5 oxidation state, it does not form pentahalide. Give reason.