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Question 1 of 11
1. Question
1 point(s)A white precipitate formed when some aqueous ammonia is added to zinc chloride solution. Which of the following can be observed if the aqueous ammonia is added in excess?
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Question 2 of 11
2. Question
1 point(s)Which of the following can be observed when an ammonia solution is added into a solution that contains copper(II) ions.
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Question 3 of 11
3. Question
1 point(s)When gas X is directed through lead(II) nitrate solution, white precipitate is formed. Gas X may be
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Question 4 of 11
4. Question
1 point(s)Which of the following reagent can be used to test the presence of chloride ions in hydrochloric acid?
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Question 5 of 11
5. Question
1 point(s)Salt X is light green in colour. When heated strongly, a brownish gas which has pungent smell is released. The residue from the heating is also brown in colour. Salt S is probably
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Question 6 of 11
6. Question
1 point(s)Which of the nitrate salts below will form a metal oxide when heated strongly?
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Question 7 of 11
7. Question
1 point(s)Which of the following salts will produce an acidic gas when heated?
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Question 8 of 11
8. Question
1 point(s)
Solution Y contain more than 1 anion. The figure above shows a test done on solution Y. The anion in solution Y is
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Question 9 of 11
9. Question
1 point(s)Which of the following will give a colourless solution as the only product when reacting with hydrochloric acid?
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Question 10 of 11
10. Question
1 point(s)Dilute nitric acid is added into a brownish solution Z. There are no changes occur. Silver nitrate solution is then added. A white precipitate formed. Solution Z might be
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Question 11 of 11
11. Question
1 point(s)Salt Y released a colourless gas when heated strongly. The residue produced is yellow when hot and white when cold. Which of the following is likely to be Y?
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