MEDIUM
9th CBSE
IMPORTANT
Earn 100

The melting point of a substance is defined as the constant temperature at 1 atmospheric pressure when _____.

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Important Questions on Matter in Our Surroundings

EASY
9th CBSE
IMPORTANT
Secondary Chemistry>Chapter 1 - Matter in Our Surroundings>Multiple Choice Questions (MCQ)>Q 5
Which one of the following is the correct definition of matter?
EASY
9th CBSE
IMPORTANT
Secondary Chemistry>Chapter 1 - Matter in Our Surroundings>Multiple Choice Questions (MCQ)>Q 6
Which one of the following is not true about a solid?
HARD
9th CBSE
IMPORTANT
Secondary Chemistry>Chapter 1 - Matter in Our Surroundings>Multiple Choice Questions (MCQ)>Q 7
In which one of the following sets is each substance a gas at room temperature?
MEDIUM
9th CBSE
IMPORTANT
Secondary Chemistry>Chapter 1 - Matter in Our Surroundings>Multiple Choice Questions (MCQ)>Q 8
In which one of the following sets is each one a solid under ordinary conditions?
EASY
9th CBSE
IMPORTANT
Secondary Chemistry>Chapter 1 - Matter in Our Surroundings>Multiple Choice Questions (MCQ)>Q 9
Which one is a correct term for direct conversion of a solid into a gas?
EASY
9th CBSE
IMPORTANT
Secondary Chemistry>Chapter 1 - Matter in Our Surroundings>Multiple Choice Questions (MCQ)>Q 10
Which one of the following type of changes refers to sublimation?
MEDIUM
9th CBSE
IMPORTANT
Secondary Chemistry>Chapter 1 - Matter in Our Surroundings>Multiple Choice Questions (MCQ)>Q 11
Which one will not increase the rate of evaporation of a liquid?
MEDIUM
9th CBSE
IMPORTANT
Secondary Chemistry>Chapter 1 - Matter in Our Surroundings>Multiple Choice Questions (MCQ)>Q 12
Which one of the following is a correct statement?