Process+Skills+MCQ17+Sublimation

Hi all,

Let's look at this **MCQ 17** in more details. You can learn the **__ process of sublimation, examples of substances that sublime and about carrying out this experiment in practical, why a fume cupboard is used __**(for safety purposes: to prevent the escape of the vapour from the air freshener into the air as most of the substances found in air freshener are harmful). So do check this website out:

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Mrs Lam