Which of the following is a green house gas?
Methane
Nitrogen
Carbon Monoxide
Oxygen
The green house gas is:
(a) oxygen (b) nitrogen
(c) chlorine (d) carbon dioxide.
Which of the following air pollutant reduces the oxygen-carrying capacity of blood to a large extent?
(a) carbon dioxide
(b) nitrogen monoxide
(c) carbon monoxide
(d) sulphur dioxide
One of the following is an endothermic reaction. This is :
(a) combination of carbon and oxygen to form carbon monoxide
(b) combination of nitrogen and oxygen to form nitrogen monoxide
(c) combination of glucose and oxygen to form carbon dioxide and water
(d) combination of zinc and hydrochloric acid to form zinc chloride and hydrogen