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Vinu dissolves 50 g of sugar in 250 ml o...

Vinu dissolves 50 g of sugar in 250 ml of hot water, sarath dissolves 50g of same sugar in 250 ml of cold water. Who will get faster dissolution of sugar? And why?

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SURA PUBLICATION-QUARTERLY MODEL QUESTION PAPER-Subjective Questions
  1. Distinguish between linear and areal or superficial expansion.

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  2. Distinguish between cation and an anion .

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  3. Vinu dissolves 50 g of sugar in 250 ml of hot water, sarath dissolves ...

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  4. Describe the structure of the human ovum with a neat labelled diagram.

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  5. On analysing an impure sample of sodium chloride, the percentage of ch...

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  6. Name the components of nervous system.

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  7. Draw a diagram to show sopre formation in Rhizopus.

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  8. A cricket ball of mass 25 g moving with a speed of 12 ms^(-1) is hit b...

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  9. (i) Differentiate convex lens and concave lens. (ii) Why does the sk...

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  10. An electric iron consumes energy at the rate of 420 W when heating is ...

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  11. (i) Calculate the % of each element in calcium carbonate. (ii) Give ...

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  12. (i) Metal A belongs to period 3 and group 13. A in red hot condition r...

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  13. (i) What are the structures involved in the protection of brain? (ii...

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  14. (i) How are chromosomes classified based on the position of centromere...

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  15. How does an astronaut float in a space shuttle ?

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  16. State Snell's law.

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  17. Find the percentage of nitrogen in ammonia.

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  18. True or false. If false give the correct statement: (i) Ionic radius...

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  19. Draw and label the structure of oxysomes.

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  20. (a) How does leech respire? (b) What does CNS stand for?

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