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Chemistry Questions

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Published in: Chemistry
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Chemistry Questions Paper.

Kulwant S / Asansol

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Qualification: M.Sc (Nalanda University, Nalanda - 0)

Teaches: All Subjects, Mathematics, Physics, Chemistry, Defence Exams, Railways Exams, Bengali, English, Hindi

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  1. Chemistry Test 1. State the characteristics of particles of matter? 2 2. Define — density, rigidity and compressibility ? 2+2+2 3. Give reason - ice floats on water ? 2 4. What do you mean by melting point and boiling point of a solid ? 2+2 FM: 75 5. When a solid melts, its temperature remains same. Where does the heat energy go ? 2 6. Define sublimation. Name a substance which undergo in sublimation. 2+1 7. What is the effect of change in pressure of a matter ? 2 8. What is evaporation. What are the factors affecting evaporation ? 2+3 9. How does evaporation causes cooling ? 3 10. Why we wear cotton clothes in ummer 11. Why does our palm feel cold w en w 12. Which prod es or water or steam2 Wh ? 1+1 13. Naphthalen appear witho leav•ng ny solid ? 2 14. W t doy an by mix nt by a pu su at are h Iffe nt types of mixture ? 2+3 hat 15. 16. ine lute and solvent . hat a the perties of a soluti ? 2+2+3 17. What o you mean by concentration u Ion? 2 18. What is a suspension and colloidal solution ? Write their properties ? 2+2+4 19. What is meant by dispersed phase and dispersed medium ? 2+2 20. What do you mean by crystallization ? 2 21 . What do you mean by physical changes and chemical changes ? 2+2

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