Drag and drop the source objects below into the corresponding solution boxes above.
| EXPERIMENT |
OBSERVATION |
| i) Add dilute nitric acid to blue litmus paper in a test tube |
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| ii) Add dilute nitric acid to zinc powder in a test tube |
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| iii) Add dilute nitric acid to copper (II) Oxide in a test tube |
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| iv) Add dilute nitric acid to phenolphthalein indicator in a test tube |
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Colourless solution formed
Blue solution formed
Effervence
Turns red
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