11 mark
The diagram shows a test tube containing ammonium chloride that has been heated gently.
Which two gases are present at position Y?
(1)
| ☐ | A | Ammonia and hydrogen chloride | |
| ☐ | B | Ammonia and chlorine | |
| ☐ | C | Hydrogen and chlorine | |
| ☐ | D | Ammonia and hydrogen |
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