All In One SCIENCE CBSE Class IX>Chapter 1 - Matter in Our Surroundings>Challengers*>Q 6

HARD

9th CBSE

IMPORTANT

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You are given the following substance with their boiling and melting points.

Substance
Boiling point $(° C)$
Melting point $(℃)$

$A$
$- 183$ $- 219$

$B$
$445$ $119$

$C$
$78$ $- 15$

Point out the physical states of A, B and C at room temperature $(30 ℃)$

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Important Questions on Matter in Our Surroundings

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9th CBSE

IMPORTANT

All In One SCIENCE CBSE Class IX>Chapter 1 - Matter in Our Surroundings>Challengers*>Q 2

Find out the incorrect increasing/decreasing order in the following

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9th CBSE

IMPORTANT

All In One SCIENCE CBSE Class IX>Chapter 1 - Matter in Our Surroundings>Challengers*>Q 7

Among the following, which one is the false statement?

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9th CBSE

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All In One SCIENCE CBSE Class IX>Chapter 1 - Matter in Our Surroundings>Challengers*>Q 8

Effect of change of temperature on the physical state may be represented as

Question Image

What is X,Y and Z?

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9th CBSE

IMPORTANT

All In One SCIENCE CBSE Class IX>Chapter 1 - Matter in Our Surroundings>Challengers*>Q 9

What will be the correct sequence of temperature when

25 ° C

and

45 ° C

are converted to Kelvin scale and Fahrenheit scale?