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Ravi observed a beam of sun light passin...

Ravi observed a beam of sun light passing through a small hole on the roof, into the room. It is formed because,

A

air is colloid

B

air is true solution

C

air is suspension

D

air is pure substance

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VGS PUBLICATION-BRILLIANT-IS MATTER PURE?-EXERCISE
  1. 80 ml of solution contains 20 g of solute .Calculate the concentration...

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  2. Anitha,observed, 'Shake well before use' on a label of cough strup bot...

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  3. Ravi observed a beam of sun light passing through a small hole on the ...

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  4. Tyndall effect is observed by

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  5. Which of the given mixtures cannot be separated by simple physical met...

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  6. Which method is suitable to separate salt from sea water?

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  7. Petroleum is separated into its components is

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  8. Sir, Humphry Davy is appreciable, because, he was extremely successful...

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  9. Determine the mass by mass percentage concentration of a 100 g salt so...

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  10. The separation technique to separate sodium chloride from its solution...

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  11. By which method do you separate Ammonium chloride from a mixture conta...

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  12. How do you separate small pieces of metal in the engine oil of a car?

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  13. How do you separate different pigments from an extract of flower petal...

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  14. In your home, how do you separate butter from card?

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  15. This is not a property of colloid.

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  16. Some colloids in your home are A) gel B) milk C) oil D) boot polish

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  17. Some pure substances in your home are a) Ice B) milk c) iron d) air ...

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  18. Ice cream is a

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  19. The ingredients in ice cream are………..

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  20. Shaving cream is a………….. Type of colloid.

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