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A molecule can be formed by an element a...

A molecule can be formed by an element as well as by a compound. Explain.

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MBD-IS MATTER AROUND US PURE-Example
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  3. A molecule can be formed by an element as well as by a compound. Expla...

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  4. Can a mixture of chloroform(b.pt.61^@C)andcarbontetrachloride(b.pt.77^...

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  5. Name a mixture used : by all living beings

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  6. Name a mixture used : in the construction of buildings

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  7. Name a mixture used : as a food

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  8. Give two advantages of paper chromatography.

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  9. How would you obtain a sample of sulphur from a mixture of sulphur and...

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  10. How would you obtainpure ammonium chloride whenit contains potassium c...

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  11. Name three metals which are liquids at room temperature.

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  12. Name the various noble gases.

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  13. Which of the following statements are correct and which are incorrect ...

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  14. Which of the following statements are correct and which are incorrect ...

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  15. Which of the following statements are correct and which are incorrect ...

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  16. Which of the following statements are correct and which are incorrect ...

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  17. Which of the following statements are correct and which are incorrect ...

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  18. If you are given a mixture of hydrogen and carbon dioxide, how would y...

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  19. Give two pieces of evidence that sodium chloride is a compound.

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  20. Give reasons to show that ammonia is a compound.

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