Class 7 Science Study App | Elements and Compounds Notes e-Book PDF
Class 7 Science MCQs (Grade 7) From Textbook

Class 7 Science MCQs – Practice Test 8 (Chapter 7)

Elements and Compounds Notes Questions with Answers PDF Download – Test 8

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Learn Elements and compounds Notes Questions and Answers PDF for science peer learning networks. Download the Elements and Compounds Quiz Answers PDF e-Book, Ch. 7-8 to study Class 7 Science Course. Practice What is Element MCQ PDF, Elements and Compounds Quiz Questions and Answers for science peer learning networks. Free Class 7 Science Notes App: Download the Elements and Compounds Study App to what is element, elements classification, uses of elements, properties of compound test prep to strengthen STEM understanding online.

Study Class 7 Science Notes App with MCQ: "Process which involves in breaking down the element by passing electricity through it is called"; with answers: hydrolysis, electrolysis, photolysis, and photosynthesis. Practice What is Element MCQ Questions, download Kobo e-Book (Free Chapter) to master physics basics.

Elements and Compounds MCQs – Practice Test 8 PDF Download

MCQ 36: The process which involves in breaking down the element by passing electricity through it is called:

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

MCQ 37: Chinese thought that the number of elements were:

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

MCQ 38: Low densities, low melting, low boiling point and poor conductivity are found in:

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

MCQ 39: Air ships and balloons use gas called:

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

MCQ 40: 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

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