Ecz Science gce grade 12 2017 paper 3
2) In this experiment, you will investigate the effect of length of conductor on the resistance of the conductor. You are provided with 5 different lengths of monochrome wire measuring 5 cm, 10 cm, 15 cm, 20 cm, and 25 cm. The following incomplete circuit has been set up for you.
Section B (CHEMISTRY) [20 marks]
Answer all questions in this section
1)One of the factors that affect the rate of a chemical reaction is the concentration of the reactants.
In this experiment, you will investigate the effect of diluting a reacting solution on the rate of a reaction.
will use the reaction of magnesium ribbons of the same mass with dilute hydrochloric acid labelled as solution Y
Jacob
April 11, 2021
Nice
William ondya
April 11, 2023
For preparation of exam