Elements and Compounds Multiple Choice Questions and Answers 3 PDF Download

Learn elements and compounds MCQs, grade 7 science test 3 for online learning courses and test prep. Properties of compound multiple choice questions (MCQs), elements and compounds quiz questions and answers include science worksheets for science help for online contests.

Science multiple choice questions (MCQ): when iron and sulphur are mixed together at room temperature there is lack of with options production of new product, reaction, mixed reaction and both a and b, properties of compound quiz with online schools' course questions and answers for formative assessment of students. Free science study guide to learn properties of compound quiz to attempt multiple choice questions based test.

MCQs on Elements and Compounds Worksheets 3 Quiz PDF Download

MCQ: 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

D

MCQ: Due to temperature sensitivity element which is filled in thermometer, is

  1. mercury
  2. copper
  3. helium
  4. oxygen

A

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

  1. element
  2. compound
  3. mixture
  4. liquid

B

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

  1. element
  2. compound
  3. mixture
  4. solution

A

MCQ: Nitric acid is combined with oxygen to produce brown fume of

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

B