2. Sample Papers
  3. 7th Class
  4. Science

7th Class Science Sample Paper Science Sample Paper - 4

  • question_answer
    (iii) What are the two main kinds of changes?

    Answer:

    (iii) There are two kinds of changes:                                                                                                         
    (a) Physical changes                                                             
    (b) Chemical changes                                                         


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