Class 7 Courses

Chapter 7: Class 7 Science Exam Tests

Class 7 Science MCQs - Chapter 7

Elements and Compounds Quiz Questions & Answers PDF Download - 3

The Elements and compounds Quiz Questions and Answers PDF (elements and compounds Quiz PDF e-Book) download Ch. 7-3 to learn Grade 7 Science Course. Solve Properties of Compound MCQs PDF, Elements and Compounds Quiz Questions and Answers to learn homeschool online courses. The Elements and Compounds Quiz App Download: Free learning app for properties of compound, uses of elements, what is element, compound formation test prep for online education programs.

The Quiz: When iron and sulphur are mixed together at room temperature there is lack of; "Elements and Compounds" App (iOS, Android) with answers: Production of new product; Reaction; Mixed reaction; to learn homeschool online courses. Study Properties of Compound MCQ Questions, download Amazon eBook (Free Sample) for online elementary school.

Elements and Compounds Exam Questions and Answers PDF Download: Test 3

MCQ 11:

When iron and sulphur are mixed together at room temperature there is lack of

  1. reaction
  2. production of new product
  3. mixed reaction
  4. both a and b
MCQ 12:

Due to temperature sensitivity the element which is filled in thermometer, is

  1. mercury
  2. copper
  3. helium
  4. oxygen
MCQ 13:

Heating, exposing to light or passing electricity will only let to decompose

  1. element
  2. compound
  3. mixture
  4. liquid
MCQ 14:

A substance which cannot be broken into further simpler substance by any chemical reaction is called

  1. element
  2. compound
  3. mixture
  4. solution
MCQ 15:

Nitric acid is combined with oxygen to produce brown fume of

  1. nitrogen oxide
  2. nitrogen dioxide
  3. carbon dioxide
  4. nitrogen

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Elements and Compounds App (Android & iOS)

Elements and Compounds App (Android & iOS)

7th Grade Science App (Android & iOS)

7th Grade Science App (iOS & Android)

8th Grade Science App (Android & iOS)

8th Grade Science App (Android & iOS)

6th Grade Science App (Android & iOS)

6th Grade Science App (iOS & Android)