Mineral acids are stronger acids than carboxylic acids because (i) mineral acids are completely ionised. (ii) carboxylic acids are completely ionised. (iii) mineral acids are partially ionised. (iv) carboxylic acids are partially ionised. (a) (i) and (iv) (b) (ii) and (iii) (c) (i) and (ii) (d) (iii) and (iv)

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?