SATHEE: Some Basic Concepts Of Chemistry Question 99

Some Basic Concepts Of Chemistry Question 99

Question: Given $P = 0.0030 m$ , $Q = 2.40 m$ , $R = 3000 m$ , Significant figures in $P,, Q$ and $R$ are respectively

Options:

A) 2, 2, 1

B) 2, 3, 4

C) 4, 2, 1

D) 4, 2, 3

Show Answer

Answer:

Correct Answer: B

Solution:

[b] Given $P = 0.0030 m$ , $Q = 2.40 m$ & $R = 3000 m$ In $P (0.0030)$ initial zeros after the decimal point are not significant. Therefore, significant figures in $P (0.0030)$ are 2. Similarly in $Q (2.40)$ significant figures are 3 as in this case final zero is significant. In $R = (3000)$ all the zeroes are significant hence, in $R$ significant figures are 4.

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Some Basic Concepts Of Chemistry Question 99

Question: Given P=0.0030m , Q=2.40m , R=3000m , Significant figures in P,,Q and R are respectively

Options:

Answer:

Solution:

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Question: Given $P = 0.0030 m$ , $Q = 2.40 m$ , $R = 3000 m$ , Significant figures in $P,, Q$ and $R$ are respectively