In which physical state water exists at $0°\mathrm{C}$.

Important Questions on Matter in Our Surroundings

MEDIUM

9th CBSE

IMPORTANT

Modern's abc+ of SCIENCE CHEMISTRY FOR Class IX>Chapter 1 - Matter in Our Surroundings>Revision Exercise>Q 10

Justify the statement “sand is solid”.

MEDIUM

9th CBSE

IMPORTANT

Modern's abc+ of SCIENCE CHEMISTRY FOR Class IX>Chapter 1 - Matter in Our Surroundings>Revision Exercise>Q 11

At what temperature solid ice and liquid water coexist together?

MEDIUM

9th CBSE

IMPORTANT

Modern's abc+ of SCIENCE CHEMISTRY FOR Class IX>Chapter 1 - Matter in Our Surroundings>Revision Exercise>Q 12

Define latent heat of fusion.

MEDIUM

9th CBSE

IMPORTANT

Modern's abc+ of SCIENCE CHEMISTRY FOR Class IX>Chapter 1 - Matter in Our Surroundings>Revision Exercise>Q 13

Out of solids and liquids which will have greater movement of molecules.

MEDIUM

9th CBSE

IMPORTANT

Modern's abc+ of SCIENCE CHEMISTRY FOR Class IX>Chapter 1 - Matter in Our Surroundings>Revision Exercise>Q 14

Define sublimation.

MEDIUM

9th CBSE

IMPORTANT

Modern's abc+ of SCIENCE CHEMISTRY FOR Class IX>Chapter 1 - Matter in Our Surroundings>Revision Exercise>Q 15

What happens when you pour some acetone on your palm?

MEDIUM

9th CBSE

IMPORTANT

Modern's abc+ of SCIENCE CHEMISTRY FOR Class IX>Chapter 1 - Matter in Our Surroundings>Revision Exercise>Q 16

Will increase of surface area increase or decrease rate of evaporation?

EASY

9th CBSE

IMPORTANT

Modern's abc+ of SCIENCE CHEMISTRY FOR Class IX>Chapter 1 - Matter in Our Surroundings>Revision Exercise>Q 17

What is fusion?