Formative Practice 5.1 – Form 5 Science (KSSM) Chapter 5


Question 1:
What is organic carbon compound?

Answer:
Organic carbon compound is a carbon compound that originates from living things.


Question 2:
What is inorganic carbon compound?

Answer:
Inorganic carbon compound is a carbon compound that originates from non-living things.


Question 3:
Give two examples of inorganic carbon compounds.

Answer:
Carbon monoxide, carbon dioxide, calcium carbonate, sodium hydrogen carbonate, aluminium carbide, potassium cyanide and carbon disulphide
(any two)

Question 4:
What is carbon cycle?

Answer:
Carbon cycle shows how carbon elements are recycled through the formation or decomposition of carbon compounds in life and organic substances in the environment through processes like respiration, burning, decomposition and photosynthesis.


Question 5:
State the importance of carbon cycle.

Answer:
Importance of carbon cycle:
• maintains the natural balance of carbon
• maintains the composition of carbon dioxide in the atmosphere

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