List of practice Questions

Phenol on heating with zinc dust gives

Phenol when it first reacts with concentrated sulphuric acid and then with concentrated nitric acid gives

Phenol when treated with excess of bromine water gives a white precipitate of

Phenomenon peculiar to nematodes is eutely. It means

Phenol has

Phenol on distillation with zinc dust gives

pH of vacuolar cell sap is

Phase difference between voltage and current in a capacitor in an ac circuit is

Peroxy linkage is present in

Persistent calyx is the character of plants belonging to Family

Person having genotype $I^A\, I^B$ would show the blood group as $AB$. This is because of

$PH_3$ the hydride of phosphorus is

Permutit is technical name given to

Pernicious anaemia is caused due the deficiency of vitamin

Peroxide and super oxides of alkali metals are coloured because of

Peroxodisulphate, on hydrolysis yields

Periderm includes

Peripatric speciation occurs due to

Peripatus and Neopilina are connecting links between annelida and

Periyar sanctuary is famous for

Pentan-2-one and 3-methylbutan-2-one are

Pepo fruit is generally found in

Pepsin converts proteins in to _______

Peptisation denotes

Percentage covalent character is maximum in :