Which of the following are accurate regarding the phosphine?
A
Phosphine is toxic and has a rotten-fish smell
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B
Phosphine is non-toxic
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C
Phosphine is a useful fertilizer
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D
Phosphine is odourless
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Solution
The correct option is A Phosphine is toxic and has a rotten-fish smell Phosphine is heavier than air. It is toxic and has an unpleasant rotten-fish odour.