Which one of the following statements about water is false?

A

Ice formed by heavy water sinks in normal water

B

Water is oxidized to oxygen during photosynthesis

C

Water can act both as an acid and as a base

D

There is extensive intramolecular hydrogen bonding in the condensed phase

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?