A quantity of 720g water is added in 230g ethanol at a certain temperature to get 1lt of solution.Which of the following is/are correct regarding the solution formed? (A) The density of solution is 950kg/ m^(3) (B) The mole fraction of ethanol is 0.11 (C) The molarity of solution is 5M (D) The molality of solution is 6.94M

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?