give me 10 questions on chapter matter.....
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1.What is matter?
2.How many types of matters?
3.What is different between pure and impure substance?
4.What is dry ice?
5.Name SI unit of measuring temperature.
6.Name three state of matter.
7.Name any two gases which are supplied in compressed from in homes and hospitals.
8.Why is ice at 273K more effective in cooling that water at the same temperature?
9.CO2 is a gas. Justify the given statement by two reasons.
10.What happen when you pour some acetone on your palm?
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