Mole Concept Test

Result

Mole Concept Test - 3

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Weekly Quiz Competition

Question 1
1 / -0

Statement-1 : 1.34×10⁻³ and 1.23 both have three significant figures.

Statement-2 : Number other than zero are all significant.

A
Both Statement-1 and Statement-2 are true and Statement-2 is the correct explanations of Statement-1.

B
Both Statement-1 and Statement-2 are true and Statement-2 is not the correct explanation of Statement-1.

C
Statement-1 is true but Statement-2 is false.

D
Statement-1 is false but Statement-2 is true.

Solution

For a number written in scientific notation all digits are significant. All the zeros to the right of the decimal point are significant.

The correct answer is: Statement-1 is true but Statement-2 is false.