Question

1. What is matter? Mention three states of matter.

2. In a table format write differences between Solids, liquids and Gases with reference to their particles arrangement,

force of attraction, compressability, effect of heat, effect of force and effect of pressure. .

3. Define the following terms:- i) Sublimation ii) Boiling iii)Evaporation iv)Latent heat of vaporization

v)Latent heat of Fusion. ( Refer NCERT P. 11)

4. Draw and explain a simple activity to show the process of Sublimation. (Page.8)

5. Write 3 differences between Boiling and Evaporation.(P.7)

6. Draw a flow chart to show the interconversion of the three states of matter. ( p.8, fig. 1.9)

7.What is Dry ice? How can we obtain it? (p.8)

8.Explain the factors that effect Rate of Evaporation with suitable examples, with respect to i) Surface area ii) temperature

iii) Humidity iv) Wind speed

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Answer 1

Answer:

1. Matter is kind of something which have define shape and size and occupies space.

There are three states of matter.

a. Solid - the type of matter which have define shape and size and have a strong intermolecular force between there molecules is called solid.

b. Liquid - the type of matter which doe not have any shape and size but have define volume is called liquid.

c. Gass - the type of matter which does not gave any define shape, size or volume are called gase.

2.you can write first ans. as second answer.

Answer 2

Thankyou

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