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DINESH PUBLICATION-MATTER IN OUR SURROUNDINGS -Test Your Knowledge
- How will you justify that ice, water and steam are not different subst...
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- How will you demonstrate that interparticle spaces are present in a ma...
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- Enlist the main characteristics of the particle nature of matter.
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- What are solids ? Write the main characteristics of the solid state.
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- Define density. Out of the solid, liquid and gaseous states, in which ...
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- The kinetic energy of the particles in the liquid state is more than i...
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- Define melting point of a solid. Discuss its significance.
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- Discuss in brief the scales of measuring temerature and pressure.
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- Clothes dry fast on a windy day. Why ?
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- A substance A has a definite volume and it assumes the shape of any co...
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- A solid X liquefies at 25^(@)C. The liquid changes back to the solid s...
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- Describe an activity to show that the rate of diffusion in a liquid in...
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- Define liquid state of a substance. Write the important characteristic...
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- How will you account for the following : (a) Density of a substance ...
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- Give the main points of distinction in the three states of matter in ...
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- Discuss the effect of increasing temperature and pressure on the liqui...
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- Explain giving reasons that the three states of matter , i.e., solid, ...
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- What is evaporation ? In what way is it different from boiling ?
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- What is evaporation? State the various factors which affect evaporatio...
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- What is sublimation ? How is naphthalene sublimated ? How does the pro...
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