Class 7 Online Courses

Chapter 21: Class 7 Science Exam Tests

Class 7 Science MCQs - Chapter 21

Simple Chemical Reactions MCQ (Multiple Choice Questions) PDF - 2

The e-Book Simple chemical reactions Multiple Choice Questions (MCQ Quiz) with Answers PDF Download (Simple Chemical Reactions MCQ PDF Book), test 2 to learn online class 7 science certificate courses. Study Physical and Chemical Change Multiple Choice Questions and Answers (MCQs) PDF, simple chemical reactions quiz questions and answers to study online courses. The Simple Chemical Reactions MCQ App Download: Free educational app for physical and chemical change test prep for online certifications.

The MCQs: At room temperature iron and sulphur; "Simple Chemical Reactions" App Download Android & iOS (Free) with answers react, do no react, vigorously react and somehow react to study online courses. Practice physical and chemical change quiz questions, download Apple Book (Free Sample) for virtual elementary school.

Simple Chemical Reactions Questions & Answers PDF Download: MCQ Quiz 2

MCQ 6: At room temperature iron and sulphur

A) do no react
B) react
C) vigorously react
D) somehow react

MCQ 7: If both water and carbon dioxide is given to plant it will not be able to prepare its own food in absence of

A) sugar
B) soil
C) sunlight
D) fertilizers

MCQ 8: Melting, freezing, boiling, evaporation and condensation are all

A) physical change
B) chemical change
C) complex change
D) electrical change

MCQ 9: Chemical change involves the formation of

A) products
B) new substances
C) salts
D) water

MCQ 10: The change which is not accompanied by formation of new substance is called a

A) physical change
B) chemical change
C) complex change
D) electrical change

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Simple Chemical Reactions App (Android & iOS)

Simple Chemical Reactions App (Android & iOS)

7th Grade Science App (Android & iOS)

7th Grade Science App (Android & iOS)

6th Grade Science App (Android & iOS)

6th Grade Science App (Android & iOS)

Earth Science App (Android & iOS)

Earth Science App (Android & iOS)