Thermal decomposition of ammonium dichromate gives: A.N2 , H2O and Cr2O3 B.N2 , NH3 and CrO C.(NH4)2CrO4 and H2O D.N2 , H2O and CrO3 E.N2 , H2O and CrO

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?