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How would you confirm that a colourle...

How would you confirm that a colourless liquid given to you is pure water ?

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By finding the boiling point of a given colourless liquid, if the liquid boils at `100^@C` at atmospheric pressure, then it is pure water. This is because pure substances have fixed melting and boiling points.
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MTG IIT JEE FOUNDATION-MATTER : ELEMENTS COMPOUNDS AND MIXTURES -SOLVED EXAMPLES
  1. When we heat iron filings and sulphur till red hot, do we get compound...

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  2. Which of the following matter falls in the category of mixtures? Ice, ...

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  3. How would you confirm that a colourless liquid given to you is pu...

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  4. What is 'tincture of iodine'?

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  5. What are alloys?

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  6. Name the components of solution.

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  7. Write the formulae of sodium oxide

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  8. Write the formulae of aluminium chloride

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  9. Write the formulae of sodium sulphide

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  10. Write the formulae of magnesium hydroxide

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  11. Give the name of elements present in the following compounds. Quick ...

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  12. Give the name of elements present in the following compounds. Hydrog...

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  13. Give the name of elements present in the following compounds. Baking...

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  14. Give the name of elements present in the following compounds. Potass...

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  15. An element E is trivalent. Write the formula of its (i) chloride (ii) ...

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  16. What do you understand by variable valency'? Give two examples of meta...

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  17. Give the names of any three elements whose names have been derived fro...

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  18. One molecule of any halide contains only one atom of the metal, but th...

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  19. The charges on two elements A and B are given below: what is the...

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  20. What is the valency of Cu in CuO and Cu2O?

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