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How is evaporation different from sublimation?

Important Questions on Changes Around Us

EASY
Science>Chemistry>Changes Around Us>Changes of State
Explain the different processes involved in change of state.
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Science>Chemistry>Changes Around Us>Changes of State
The process by which a solid changes into a liquid:
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Science>Chemistry>Changes Around Us>Changes of State
What is meant by the inter-molecular forces of attraction? How do they vary in solids, liquids and gases?
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Science>Chemistry>Changes Around Us>Changes of State
Which ice cube will melt faster? Why?
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Science>Chemistry>Changes Around Us>Changes of State
Melting of ice is a _____ change.
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Science>Chemistry>Changes Around Us>Changes of State
Ice can be changed into water by
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Science>Chemistry>Changes Around Us>Changes of State
When ice melts to form water, then a change occurs in its
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Science>Chemistry>Changes Around Us>Changes of State

Describe what is happening in the picture below. 

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Science>Chemistry>Changes Around Us>Changes of State
What do you mean by melting?
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Science>Chemistry>Changes Around Us>Changes of State
What do you mean by inter-molecular spaces? How do they vary in different states of matter?
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Science>Chemistry>Changes Around Us>Changes of State
Write one word from the following. Choose from the box.
Melting Evaporation Freezing Condensation

Ice→WARMINGWater. Given process is _____.

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Science>Chemistry>Changes Around Us>Changes of State
What type of changes is melting of wax?
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Science>Chemistry>Changes Around Us>Changes of State
Give reason of Icebergs float on ocean water.
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Science>Chemistry>Changes Around Us>Changes of State
State whether the change, which has occurred in coal tar on being heated is reversible or irreversible.
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Science>Chemistry>Changes Around Us>Changes of State
Which of the following is a physical change?
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Science>Chemistry>Changes Around Us>Changes of State
Which of the following is not a chemical change?
EASY
Science>Chemistry>Changes Around Us>Changes of State

Describe what is happening in the picture below.

Question Image   

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Science>Chemistry>Changes Around Us>Changes of State
How can solids change form? 
MEDIUM
Science>Chemistry>Changes Around Us>Changes of State
List any three processes to show that matter changes from one state to another.
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Science>Chemistry>Changes Around Us>Changes of State
Which of the following is a physical and reversible change?