Question 20
Question 20 of 40
Question image for Q20
Periodic Table
You can solve this MCQ to see its answer, but your attempt won't be logged unless you login
No letter options?
Older MCQs might not have the typical A, B, C, D choices. They have choices 1, 2, 3, and a combination of them is the answer. Below is the key that maps such combinations to the answer.
A 1, 2 and 3 are correct
B 1 and 2 only are correct
C 2 and 3 only are correct
D 1 only is correct
Topics Tested
14. Hydrocarbons
14.1. Alkanes

recognise the environmental consequences of carbon monoxide, oxides of nitrogen and unburnt hydrocarbons arising from the combustion of alkanes in the internal combustion engine and of their catalytic removal

4. States of matter
4.1. The gaseous state: ideal and r...

explain the origin of pressure in a gas in terms of collisions between gas molecules and the wall of the container