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State two conditions necessary for rusti...

State two conditions necessary for rusting of iron.

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SURA PUBLICATION-MODEL QUESTION PAPER HIGHER LEVEL-Subjective Questions
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  2. A solution is prepared by dissolving 45g of sugar in 180g of water. Ca...

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  3. State two conditions necessary for rusting of iron.

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  4. Trace the pathway followed by water molecules from the time it enters ...

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  5. How does developing embryo gets its nouroshment inside the mot...

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  6. How do you differentiate homologous organs from analogous organs?

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  7. What would happen if the habitat of wild animals of disturbed ?

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  8. A 100 watt bulb is used for 5 hours daily and four 60 watt bulbs are u...

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  9. Two blocks of masses 8 kg and 2 kg respectively lie on a smooth hori...

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  10. Derive the ideal gas equation by combining the empirical gas laws.

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  11. Explain about domestic electric circuits. (circuit diagram not require...

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  12. Distinguish between (a)Somatic gene therapy and germ line gene thera...

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  13. The sex of the new born child is a matter of chance and neither of the...

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  14. Explain in detail the uses and main parts of the 'SCRATCH' animation s...

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  15. "Wearing helmet and fastening the seat belt is higly recommended for s...

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  16. Draw a ray diagram to show the image formed by a convex lens when the ...

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  17. What happens to the resistance, as the conductor is made thicker ?

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  18. A person who is sitting at a distance of 400 m from a source of sound ...

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  19. Define one roentgen.

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  20. A is a reddish brown metal which combines with O2 at lt 1370 K gives...

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