Question 3
Question 3 of 40
Question image for Q3
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
11. Organic chemistry
11.3. Fuels

State that hydrocarbons are compounds that contain hydrogen and carbon only

11. Organic chemistry
11.4. Alkanes

Describe the properties of alkanes as being generally unreactive, except in terms of combustion and substitution by chlorine

10. Chemistry of the envi...
10.1. Water

Explain that distilled water is used in practical chemistry rather than tap water because it contains fewer chemical impurities