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Exam keys credit Sir Frederick Banting (with Best et al.).
Hence the keyed answer is Sir Frederick Grant Banting.
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A stereoscope presents slightly different images to each eye for a 3D effect.
So the correct answer is A stereoscope.
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Nitrous oxide (laughing gas) contains nitrogen and oxygen.
Hence the keyed answer is Nitrogen + Oxygen.
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Protein denaturation makes it a chemical change.
So the correct answer is Chemical.
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Selenium can conduct (photoconductive/semiconductor behaviour).
Hence the keyed answer is Selenium.
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Bromine is a liquid non-metal under ordinary conditions.
Hence the keyed answer is Bromine.
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