Class 7 Science MCQs - Chapter 18

Physical and Chemical Changes MCQ (Multiple Choice Questions) PDF - 26

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The e-Book Physical and chemical changes Multiple Choice Questions (MCQ Quiz) with Answers, Physical and Chemical Changes MCQ PDF download, test 26 to learn free class 7 science online courses. Study Making Ammonia Multiple Choice Questions and Answers (MCQs) PDF, physical and chemical changes quiz questions and answers to study online classes courses. The Physical and Chemical Changes MCQ App Download: Free educational app for making ammonia, solids liquids and gases, iron and sulphur, making plastics test prep for online study.

The MCQs: Formula of ammonia is; "Physical and Chemical Changes" App Download Android & iOS (Free) with answers nh₃, nh₂, nh₄ and nh₅ to study online classes courses. Practice making ammonia quiz questions, download Apple Book (Free Sample) for online elementary school.

Physical and Chemical Changes Questions & Answers PDF Download: MCQ Quiz 26

MCQ 126: The formula of ammonia is

A) NH₂

B) NH₃

C) NH₄

D) NH₅

MCQ 127: The definite 'volume'

A) has solids only

B) has liquids only

C) has gases only

D) has solids and liquids both

MCQ 128: The mixture of iron and sulphur is separated by

A) filtration

B) magnet

C) distillation

D) evaporation

MCQ 129: The particles of iron sulfide are

A) physically bonded

B) chemically bonded

C) biologically bonded

D) permanently bonded

MCQ 130: Plastic was accidently invented when the inventor was trying to make

A) a cup for coffee

B) an artificial ivory of billiard balls

C) an artificial sword for martial arts training

D) his favourite dish

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Physical and Chemical Changes MCQ (Multiple Choice Questions) PDF - 26

Physical and Chemical Changes Questions & Answers PDF Download: MCQ Quiz 26

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Physical and Chemical Changes Learning App & Free Study Apps

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