Question

56
ICSE Chemist
Van
ame the gases consumed and/or produced during the following processes:
(a) Photosynthesis
(b) Combustion of coal
(c) Respiration
6. Draw a flowsheet diagram describing the oxygen cycle in nature.
"is carbon dioxide produced during respiration by humans and animals?
58. Draw the flowsheet diagram of the carbon dioxide cycle in the nature.
39. How is atmospheric carbon dioxide fixed by ocean/ sea water?
10. Classify the following reactions on the basis of their type:
(a) Lead nitrate on heating decomposes to give lead oxide, nitrogen dioxide and oxygen.
m chlorate on heating decomposes to give potassium chloride and oxygen gas.
(C) Methane (CH2) burns in air to give carbon dioxide, water and heat is evolved.
vnite precipitate of silver chloride is formed on adding a solution of sodium chloride to silver nitrate
solution
lour of potassium permanganate gets decolourised when added to an acidified solution of ferrou
sulphate. xdation carton
(f) Phosphorus reacts with chlorine to give phosphorus pentachloride.
(g) Sulphur trioxide reacts with water to give sulphuric acid.
h) Magnesium burns in carbon dioxide to form magnesium oxide and carbon.
Vhat is the difference between combination and decomposition reactions? Write an equation for each type.
Classify each of the following reactions as combination, decomposition, displacement or double displacem
eactions:​

Answer 1

hello I think that B is your answer but confirm it another

Answer 2

I think b is answer but. cannot say accurately