For each of the following, use letters to indicate physical state of matter. 's' for solid, 'l' for liquid, 'g' for gaseous, 'p' for plasma, B.E.C. for Bose-Einstein Condensate. S.No. Specific characteristics Physical state 1 Ionised gases 2 Most ordered state 3 Least ordered State 4 Fixed volume, no shape 5 Cooling gas at super low temperature

1(p); 2(s); 3(g); 4(l); 5(B.E.C)

1(p); 2(s); 3(l); 4(g); 5(B.E.C)

1(g); 2(s); 3(l); 4(p); 5(B.E.C)

1(p); 2(s); 3(l); 4(B.E.C); 5(g)

E M B I B E

Together with Science Class 9>Chapter 1 - Matter in Our Surroundings>ASSESS YOURSELF>Q 3

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9th CBSE

IMPORTANT

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The boiling point of diethyl ether, acetone and n-butyl alcohol are $35 ° C, 56 ° C and 118 ° C$ respectively. Which one of the following represents their boiling points in kelvin scale?

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Important Questions on Matter in Our Surroundings

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9th CBSE

IMPORTANT

Together with Science Class 9>Chapter 1 - Matter in Our Surroundings>ASSESS YOURSELF>Q 4

Which of the following is not correct about evaporation?

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9th CBSE

IMPORTANT

Together with Science Class 9>Chapter 1 - Matter in Our Surroundings>ASSESS YOURSELF>Q 5

Humidity is the amount of:

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9th CBSE

IMPORTANT

Together with Science Class 9>Chapter 1 - Matter in Our Surroundings>ASSESS YOURSELF>Q 6

Choose the incorrect statement.

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9th CBSE

IMPORTANT

Together with Science Class 9>Chapter 1 - Matter in Our Surroundings>ASSESS YOURSELF>Q 7

A student heats a beaker containing ice and water. He measures the temperature of the contents of a beaker as a function of time. Which of the following will correctly represent the results?

EASY

9th CBSE

IMPORTANT

Together with Science Class 9>Chapter 1 - Matter in Our Surroundings>ASSESS YOURSELF>Q 8

For each of the following, use letters to indicate physical state of matter. 's' for solid, 'l' for liquid, 'g' for gaseous, 'p' for plasma, B.E.C. for Bose-Einstein Condensate.

S.No.	Specific characteristics	Physical state
1	Ionised gases
2	Most ordered state
3	Least ordered State
4	Fixed volume, no shape
5	Cooling gas at super low temperature