Elements and Compounds Multiple Choice Questions 8 PDF Download

Learn elements and compounds MCQs, grade 7 science test 8 for online courses learning and test prep, what is element multiple choice questions and answers. What is element revision test includes science worksheets to learn for common core history of science grade 7.

Science multiple choice questions (MCQ) on process which involves in breaking down element by passing electricity through it is called with options hydrolysis, electrolysis, photolysis and photosynthesis, what is element quiz for competitive exam prep, viva interview questions with answers key. Free science study guide to learn what is element quiz to attempt multiple choice questions based test.

MCQs on Elements and Compounds Quiz PDF Download Worksheets 8

MCQ. Process which involves in breaking down element by passing electricity through it is called

  1. electrolysis
  2. hydrolysis
  3. photolysis
  4. photosynthesis

A

MCQ. Chinese thought that number of elements were

  1. 3
  2. 4
  3. 2
  4. 5

D

MCQ. Low densities, low melting, low boiling point and poor conductivity are found in

  1. metals
  2. non metals
  3. alkalis
  4. metalloids

B

MCQ. Air ships and balloons use gas called

  1. oxygen
  2. hydrogen
  3. helium
  4. neon

C

MCQ. A compound which yields in black solid, copper oxide and colorless gas carbon dioxide on heating, is

  1. copper carbonate
  2. iron sulfide
  3. sodium chloride
  4. copper chloride

A