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Question 1 of 5
1. Question
1 point(s)
The figure shows a rusted iron machine. Chemically, rust is
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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?
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4.
Correct
Incorrect
Question 3 of 5
3. 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?
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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.
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2.
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Correct
Incorrect
Question 5 of 5
5. 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?
