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What is observed when glass and wood are...

What is observed when glass and wood are placed in water in two containers? Give reason.

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Glass sinks in water and wood flats on water. Glass has a greater density than water. Wood has a lot of pores which are filled with air and its apparent density is lesser than water.
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PEARSON IIT JEE FOUNDATION-MYSTERY OF MATTER-Short ans.
  1. Two liquids A and B when mixed together formed two layers. Liquid C w...

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  2. Name two opaque liquids.

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  3. What is observed when glass and wood are placed in water in two contai...

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  4. Mention the inter-conversions associated with the following phenomena....

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  5. Water plays an important role in the functioning of our body Give reas...

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  6. How are animals and plants able to survive in water?

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  7. Observe the following figures and draw relevant conchusions regarding ...

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  8. Give reasons for the following. (a) Liquids can be taken in an open ...

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  9. When you come out of an AC car, foggy apperance is noticed on the spec...

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  10. Hot tea when poured into a saucer failates easy drinking. Justify.

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  11. Match the following.

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  12. Define the following. (a) Elements (b) Compound (c) Homogenous mixtu...

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  13. Name the gaseous non-metallic elements and the solid non-metallic elem...

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  14. Distinguish between metals and non-metals with respect to the followin...

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  15. Name the metalloids.

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  16. Distinguish between elements and compounds.

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  17. Identify the following. (a) The gaseous compound of two non-metals r...

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  18. X, Y and Z are three substance, On passage of electricity through X, t...

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  19. Sodium chloride is a compound is common salt a compound? Justify.

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  20. Identify whether the following are elements or compounds or mixtures G...

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