Define melting point.

Important Questions on Matter in Our Surroundings

EASY

9th CBSE

IMPORTANT

Modern's abc+ of SCIENCE CHEMISTRY FOR Class IX>Chapter 1 - Matter in Our Surroundings>Revision Exercise>Q 6

Define boiling point.

MEDIUM

9th CBSE

IMPORTANT

Modern's abc+ of SCIENCE CHEMISTRY FOR Class IX>Chapter 1 - Matter in Our Surroundings>Revision Exercise>Q 7

The boiling point of ethyl alcohol is $78.6°\mathrm{C}.$ Explain it in Kelvin scale.

MEDIUM

9th CBSE

IMPORTANT

Modern's abc+ of SCIENCE CHEMISTRY FOR Class IX>Chapter 1 - Matter in Our Surroundings>Revision Exercise>Q 8

Which will have more density: ice or steam?

MEDIUM

9th CBSE

IMPORTANT

Modern's abc+ of SCIENCE CHEMISTRY FOR Class IX>Chapter 1 - Matter in Our Surroundings>Revision Exercise>Q 9

In which physical state water exists at $100°\mathrm{C}$.

MEDIUM

9th CBSE

IMPORTANT

Modern's abc+ of SCIENCE CHEMISTRY FOR Class IX>Chapter 1 - Matter in Our Surroundings>Revision Exercise>Q 9

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

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.