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Study the diagram below and answer the questions which follow.

Study the diagram below and answer the questions which follow.

(i) State two observations made when hydrogen gas pass over hot lead II oxide.
(ii) Write the equation for the reaction which occurs in the combustion tube.
(iii) What property of hydrogen is shown in the experiment above
(iv) Identify liquid M.
(v) What type of reaction occurs when hydrogen gas reacts with butene?
(vi) State the condition required for the reaction (v) above
(vii) Apart from hydrogen peroxide, state two other reagents that can be used to prepare
oxygen gas.
(viii) Write an equation to show how hydrogen gas is formed from the reagents chosen in
(vii) above.

Answers

i) - Lead II oxide changes colour yellow to orange to grey.
- Droplets of a colourless liquid form on cool sides of the combustion tube.

iii) Reducing property.
iv) Water.
v) Addition reaction
vi) Nickel catalyst.
vii) Sodium peroxide and water.

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sharon kalunda answered the question on May 17, 2019 at 13:25

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