EASY
9th CBSE
IMPORTANT
Earn 100

Why a balloon kept in the Sun burst after sometime?

Important Questions on Matter in Our Surroundings

EASY
9th CBSE
IMPORTANT
Together with Science Class 9>Chapter 1 - Matter in Our Surroundings>ASSESS YOURSELF>Q 41
Ice at 273K is more effective in cooling than water at 273 K. Why?
EASY
9th CBSE
IMPORTANT
Together with Science Class 9>Chapter 1 - Matter in Our Surroundings>ASSESS YOURSELF>Q 42
Why does the temperature remain constant during the change in the state for a substance?
EASY
9th CBSE
IMPORTANT
Together with Science Class 9>Chapter 1 - Matter in Our Surroundings>ASSESS YOURSELF>Q 43
Out of honey or ink which will diffuse faster and why?
EASY
9th CBSE
IMPORTANT
Together with Science Class 9>Chapter 1 - Matter in Our Surroundings>ASSESS YOURSELF>Q 44
Convert 100°C to Kelvin scale.
EASY
9th CBSE
IMPORTANT
Together with Science Class 9>Chapter 1 - Matter in Our Surroundings>ASSESS YOURSELF>Q 45
Why does water have high boiling point than alcohol? At what temperature in Kelvin, it can be changed into solid state and into vapours? 
EASY
9th CBSE
IMPORTANT
Together with Science Class 9>Chapter 1 - Matter in Our Surroundings>ASSESS YOURSELF>Q 46
Name the term used for: solid directly formed from the gas.
EASY
9th CBSE
IMPORTANT
Together with Science Class 9>Chapter 1 - Matter in Our Surroundings>ASSESS YOURSELF>Q 46
Name the term used for: gas directly formed from the solid
EASY
9th CBSE
IMPORTANT
Together with Science Class 9>Chapter 1 - Matter in Our Surroundings>ASSESS YOURSELF>Q 46
Ice at 0°C is more effective in cooling than water at 0°C. Give reason.