Name the process of ethanol to ethene conversion and reactants used. (A) Hydrogenation of ethane in the presence of concentrated H2SO4 (B) Dehydration of ethanol in the presence of concentrated H2SO4 (C) Oxidation of ethanol in presence of concentrated H2SO4 (D) Reduction of ethanol in the presence concentrated H2SO4

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?