Class 7 Online Courses

Chapter 16: Class 7 Science Exam Tests

Class 7 Science MCQs - Chapter 16

Mixtures Multiple Choice Questions (MCQ) PDF - 8

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Mixtures Questions & Answers PDF Download: MCQ Quiz 8

MCQ 36: The gases in the air can be separated by process of

A) distillation
B) evaporation
C) fractional distillation
D) decomposition

MCQ 37: Mixtures may comprise

A) element
B) compounds
C) solution
D) both a and b

MCQ 38: When mixtures are formed there is no exchange of

A) energy
B) heat
C) gases
D) all of them

MCQ 39: The melting point of 'sodium' is

A) 98
B) 101
C) -101
D) 801

MCQ 40: In clean air, the composition of oxygen by volume is

A) 0.2095
B) 0.78
C) 0.009
D) 0.0003

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Mixtures App (Android & iOS)

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7th Grade Science App (Android & iOS)

7th Grade Science App (Android & iOS)

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Earth Science App (Android & iOS)

6th Grade Science App (Android & iOS)

6th Grade Science App (Android & iOS)