FORM II CHEMISTRY ASSIGNMENT
Subtopic: Alkaline Earth Metals (Reaction with Steam and Chlorine)
The setup below was used to investigate the reaction between magnesium metal and steam. Study it carefully and answer the
1.
questions that follow.
a)
State two observations made in tube A
b)
i) Identify gas X
(2 marks)
(1 mark)
ii) How would you test for the presence of gas X?
(2 marks)
iii) Why is gas X collected as shown in the diagram above?
(1 mark)
c)
Why is it necessary to heat the wet sand at the start of the experiment?
(1 mark)
d)
Why is the delivery tube removed from the water before heating is stopped?
(1 mark)
e)
Write a chemical equation for the reaction that takes place in tube A
(1 mark)
2.
A group of form two student set up the apparatus as shown below to investigate the reaction between chlorine and an alkaline
earth metal.
i) The students observed that metal Y burns in chlorine with a brilliant white flame to form a while solid. Identify metal M
(1 mark)
ii) Write a chemical equation for the reaction between the metal identified in i) above and chlorine gas (1 mark)
iii) What will happen if metal M is replaced with calcium?
Page 1 of 1
(1 mark)