MEDIUM
9th CBSE
IMPORTANT
Earn 100

For any substance, why does the temperature remain constant during the change of state?

Important Questions on Matter in Our Surroundings

EASY
9th CBSE
IMPORTANT
EVERGREEN Self-Study in SCIENCE>Chapter 1 - Matter in Our Surroundings>CHAPTER TEST>Q 18
Give two characteristic properties of a liquid?
EASY
9th CBSE
IMPORTANT
EVERGREEN Self-Study in SCIENCE>Chapter 1 - Matter in Our Surroundings>CHAPTER TEST>Q 18
Why does our palm feel cold when we put alcohol or perfume on it?
MEDIUM
9th CBSE
IMPORTANT
EVERGREEN Self-Study in SCIENCE>Chapter 1 - Matter in Our Surroundings>CHAPTER TEST>Q 18
Give two factors which determine the rate of diffusion of a liquid in another liquid?
HARD
9th CBSE
IMPORTANT
EVERGREEN Self-Study in SCIENCE>Chapter 1 - Matter in Our Surroundings>CHAPTER TEST>Q 19
Draw a labelled diagram to show the sublimation of Ammonium chloride?
MEDIUM
9th CBSE
IMPORTANT
EVERGREEN Self-Study in SCIENCE>Chapter 1 - Matter in Our Surroundings>CHAPTER TEST>Q 20
How will you show that, by applying pressure, particles of matter can be brought close together?
HARD
9th CBSE
IMPORTANT
EVERGREEN Self-Study in SCIENCE>Chapter 1 - Matter in Our Surroundings>CHAPTER TEST>Q 21
Show diagrammatically, the interconversion of the three states of matter.
MEDIUM
9th CBSE
IMPORTANT
EVERGREEN Self-Study in SCIENCE>Chapter 1 - Matter in Our Surroundings>CHAPTER TEST>Q 22
Ice melts by absorbing heat. When it melts, its temperature remains the same. Where does the heat energy go?
MEDIUM
9th CBSE
IMPORTANT
EVERGREEN Self-Study in SCIENCE>Chapter 1 - Matter in Our Surroundings>CHAPTER TEST>Q 23
2 mL of Dettol is added to a beaker containing 500 mL of water and stirred. State four observations that you can make.