Q1. (A) Fill in the blanks. [5] (i) Matter is made up of tiny particles called ___________. (ii) ____________ is building block of all kinds of matter. (iii) ________ and___________ are colloids. (iv)Atomic number is equal to the number of __________. (v) In __________ change new substance is formed.
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a molecules , I don't know else
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