Waec Chemistry 2017 Past Questions and Answers

Question 46:

• WAEC 2017

Fats and oils can be obtained from any of the following sources except

A. Paraffin oil
B. Animals
C. Groundnuts
D. Palm kernel

Question 47:

• WAEC 2017

The condensation of two units of glucose will produce a dissacharide with the formula \(C_{12}H_{22}O_{11}\) which is

A. Sucrose
B. Maltose
C. Galactose
D. Mannose

Question 48:

• WAEC 2017

The IUPAC name for the compound \(ClCH_{2}CH_{2}OH\) is

A. 1- chloropropanol
B. 2-chloropropanol
C. 1-chloroethanol
D. 2-chloroethanol

Question 49:

• WAEC 2017

The real harmful effect of the release of chlorofluorocarbons into the atmosphere is that it eventually causes

A. Excessive ultraviolet light from the sun to reach the earth surface
B. Excessive release of infrared light from the sun to the earth surface
C. Corrosive effect of the chemicals on humans and animals
D. Acidic effect of chemicals on humans

Question 50:

• WAEC 2017

A primary alkanol has a molecular mass of 60. What is the structural formula of the compound? [C= 12.0, H= 1.0, O= 16.0)




A. A
B. B
C. C
D. D