Q.

Which of the following statements is/are incorrect?

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a

The weight of a substance can be determined very accurately by using an analytical balance

b

Volume is denoted in dm3 units

c

Density of a substance is its amount of mass per unit volume

d

Candela is the luminous intensity, that emits monochromatic radiation of frequency, 540×1012 Hz

answer is A.

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Detailed Solution

The mass of a substance can be determined very accurately by using an analytical balance.
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