Formative Practice 5.2 – Form 5 Science (KSSM) Chapter 5

Question 1:
What is hydrocarbon?

Answer:
Hydrocarbon is an organic carbon compound made up of only carbon and hydrogen elements.

Question 2:
State one similarity and one difference between saturated and unsaturated hydrocarbons.

Answer:
Similarity:
Saturated and unsaturated hydrocarbons are made up of only carbon and hydrogen elements.

Difference:
Saturated hydrocarbons have single covalent bond between carbon atoms but unsaturated hydrocarbons have at least one double covalent bond or triple covalent bond between carbon atoms.

Question 3:
Name one gas which is produced from food waste decay to generate electrical energy.

Answer:
Methane gas

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