11th Class Chemistry Some Basic Concepts of Chemistry

  • question_answer 84)   Assertion (A): Significant figures for 0.200 is 3 whereas for 200 it is 1. Reason (R): Zero at the end or right of a number are significant provided they are not on the right side of the decimal point. (a) Both A and R are true and R is the correct explanation of A.                                                   (b)Both A and R are true but R is not the correct explanation of A. (c) A is true but R is false. (d) Both A and R are false.

    Answer:

      (c) Significant figure for 0.200 = 3 Significant figure for 200 = 1 Zeros at the end of a number without decimal point, may or may not be significant, depending on the accuracy of measurement.


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