Elements and Compounds Multiple Choice Questions 3 PDF Download

Practice elements and compounds MCQs, grade 7 online science test 3, properties of compound multiple choice questions and answers. Properties of compound revision test has science worksheets, helping answer key with choices as production of new product, reaction, mixed reaction and both a and b of multiple choice questions (MCQ) with properties of compound quiz as when iron and sulphur are mixed together at room temperature there is lack of for competitive exam prep, viva interview questions. Free science study guide to practice properties of compound quiz to attempt multiple choice questions based test.

MCQs on Elements and Compounds Quiz PDF Download Worksheets 3

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 the 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