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Question 1 of 5
1. Question
1 point(s)
The figure shows 2 pieces of metal X and Y are put together in a hydrated gel. Given that metal X is more reactive than metal Y. Which of the statement below is true about the metals?
1.
2.
3.
4.
Correct
Incorrect
Question 2 of 5
2. Question
1 point(s)
The figure shows the apparatus set-up for the reaction between mixture X and oxide Y. Which of the following pairs will react when heated strongly?
1.
2.
3.
4.
Correct
Incorrect
Question 3 of 5
3. Question
1 point(s)
Figure above shows the arrangement of metals M, N and O according to their tendency to lose electrons. Which of the following statements are true about metals M, N and O?
1.
2.
3.
4.
Correct
Incorrect
Question 4 of 5
4. Question
1 point(s)
Substances
Observation
Metal X oxide and carbon powder
Glow
Metal Y oxide and carbon powder
Glow
Metal X oxide and hydrogen gas
No changes
Metal Y oxide and hydrogen gas
Glow
The table shows the observations of an experiment involving the heating of a metal oxide with carbon or hydrogen. Base on the observation, arrange metal X, metal Y, carbon and hydrogen in descending order of their position in reactivity series.
1.
2.
3.
4.
Correct
Incorrect
Question 5 of 5
5. Question
1 point(s)
The figure shows a rusted iron machine. Chemically, rust is
