cameroon gce A level June 2019 chemistry 1
Questions 1 – 38 (Thirty eight questions).
Directions: Each of the questions or incomplete
statements in this section is followed by four
suggested answers. Select the best answer in each
1. An object placed on the path of a cathode ray
in a cathode ray tube produces a sharp
shadow on the screen placed at the anode.
This statement indicates that
A Electrons behave as a wave
B Electrons travel in straight lines
C Electrons have both wave and particle
D Electrons are negatively charged