Class 7 Science MCQs - Chapter 16

Mixtures Multiple Choice Questions (MCQ Quiz) PDF Download - 1

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Class 7 Science: Mixtures MCQs Questions PDF Download

MCQ: When salt is mixed into water it becomes

A) element

B) compound

C) mixture

D) solute

MCQ: Alloys include

A) steel

B) brass

C) bronze

D) all of them

MCQ: The point at which solid substance changes into liquid state, is called

A) melting point

B) boiling point

C) power point

D) complex point

MCQ: The techniques which help to separate mixtures, involve

A) filtration

B) distillation

C) chromatography

D) all of them

MCQ: In clean air, percentage of oxygen is

A) 0.07

B) 0.1

C) 0.15

D) 0.17

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