Question

Plants prepare their own food by photosynthesis.
(a) Which components of the air are involved in this process?

(b) What is the by-product of this process? (Hint: a gas that supports combustion).

(c) Give an equation for the process.

Answer 1

(a) Carbon dioxide and water present in the atmosphere are involved in the phtosynthesis process.

(b) Oxygen gas is liberated as by-product of the photosynthesis process.

(c) Photosynthesis is represented by and equation as follows:
$6C{O}_2+6H_{2}O\to C_6{H}_{12}{O}_6+6O_2$
(Carbon dioxide) (Water) (glucose) (oxygen)