What happens when: (A) n- butyl chloride is treated with alcoholic KOH. (B) Bromobenzene is treated with Mg in the presence of dry ether. (C) Chlorobenzene is subjected to hydrolysis (D) Ethyl chloride is treated with aqueous (E) Methyl bromide is treated with sodium in the presence of dry ether. (F) Methyl chloride is treated with KCN.

What type of questions asked from the lesson of magnetic effect of electric current 

Wavelength of green light is

A) 400-450 nm

B) 500-550 nm

C) 660-720 nm

D) 720-800 nm

What is the difference between anaerobic & aerobic respiration? Name some organism that uses the aerobic mode of respiration?

What are the main components of our environment? Explain each of them briefly.

What are examples of hydrotropism plants?