Give a example of chemotropism.
nishi1301
Asked:
December 2022
A pH paper shows yellow colour when dipped in aqueous solution of 'X'. a) What is it's effect on litmus? b) What is observed when a pinch of sodium bicarbonate is added to 'X'.
How is composition of lymph different from blood plasma?
Rings of cartilage are present in the trachea.State the reason.
What is the principal of an electric generator?
Why is double circulation of blood necessary in human beings?
nishi1301
Asked:
December 2022
Give reasons for the following observations: a) Ionic compounds in general have high melting and boiling points. b) Highly reactive metals cannot be obtained from their oxides by heating them with carbon. c) Copper vessels get a green coat when left exposed to air in the rainy season.