Elements and Compounds Multiple Choice Questions and Answers 8 PDF Download

Elements and compounds multiple choice questions, learn online elementary school science test prep 8 for online courses, distance learning for exam prep. Practice what is element multiple choice questions (MCQs), elements and compounds quiz questions and answers for science class for common core history of science grade 7.

Study elementary school science multiple choice questions (MCQs): process which involves in breaking down element by passing electricity through it is called, for online elementary education degree with options hydrolysis, electrolysis, photolysis, and photosynthesis, what is element quiz for online competitive tests preparation for elementary school admission and high school admission. Free science study guide for online learning what is element quiz questions to attempt multiple choice questions based test.

MCQ on Elements and Compounds Worksheets 8 Quiz PDF Download

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

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


MCQ: Chinese thought that number of elements were

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


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

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


MCQ: Air ships and balloons use gas called

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


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