E M B I B E

All In One SCIENCE CBSE Class IX>Chapter 1 - Matter in Our Surroundings>CHAPTER EXERCISE>Q 25

HARD

9th CBSE

IMPORTANT

Earn 100

Describe an activity to determine the boiling point of water and melting point of ice.

Important Questions on Matter in Our Surroundings

HARD

9th CBSE

IMPORTANT

All In One SCIENCE CBSE Class IX>Chapter 1 - Matter in Our Surroundings>CHAPTER EXERCISE>Q 26

Pressure and temperature determine the state of a substance. Explain this in detail.

HARD

9th CBSE

IMPORTANT

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

The SI unit of volume is the cubic metre

(m^{3})

. The common unit of measuring volume in litre

(L)

. Then,

1 L =____{dm}^{3}, 1 L =____mL and 1 mL =____{cm}^{3} .

HARD

9th CBSE

IMPORTANT

All In One SCIENCE CBSE Class IX>Chapter 1 - Matter in Our Surroundings>Challengers*>Q 3

The kinetic energy of particles of water in three vessels

X, Y

and

Z

are

E_{X}, E_{Y}

and

E_{Z}

respectively and

E_{x} > E_{Y} > E_{z}

. Then the temperature of water in the three vessels are

MEDIUM

9th CBSE

IMPORTANT

All In One SCIENCE CBSE Class IX>Chapter 1 - Matter in Our Surroundings>Challengers*>Q 4

Which of the following statement is correct?

HARD

9th CBSE

IMPORTANT

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

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 $(30 ℃)$

MEDIUM

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?

MEDIUM

9th CBSE

IMPORTANT

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?

HARD

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?

Learn and Prepare for any exam you want !

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