34. What is meant by alkali? Give two examples.
Definition of Alkali:
An alkali is a basic hydroxide that produces negatively charged hydroxyl ions (OH-) when dissolved in water.
Example of Alkali:
What do you understand by an alkali?
Give two examples of :
(a) strong alkalis, (b) weak alkalis.
(a) What is meant by kharif crops ? Give two examples of kharif crops.
(b) What is meant by rabi crops ? Give two examples of rabi crops.