Questions with detailed step by step solutions from Elements, Compounds and Mixtures

Questions in Elements, Compounds and Mixtures
  1. A pure substance is :
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  2. State the incorrect statement about an atom:
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  3. An element is a:
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  4. Non-metals are dull in appearance except for:
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  5. The nucleus of an atom consists of:
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  6. A compound is always:
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  7. The properties of compounds ___________[differ / similar] from those of elements.
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  8. A mixture is an impure substance because:
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  9. Choose the correct statement about mixtures:
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  10. The separation of ammonium chloride from sodium chloride is done by :
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