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Some Basic Concepts Of Chemistry

Question
CBSEENCH11004967
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Compute the following keeping in view the proper number of significant figures:

fraction numerator 52.874 space cross times space 0.03482 over denominator 0.24 space cross times 8 end fraction

Solution
fraction numerator 52.874 space cross times space 0.03482 over denominator 0.24 space cross times 8 end fraction space equals space 0.958892 space left parenthesis Actual space result right parenthesis
Leaving the exact number 8, the least precise term has two significant figures. Therefore, the reported result after rounding off is 0·96 (containing only two significant figures).

Some More Questions From Some Basic Concepts of Chemistry Chapter

What is the relation between temperature in Kelvin (K) and temperature on centigrade scale?

The popular unit of pressure is atmosphere, how is it related to pascal?

What are SI units of the following:

(i) Density    
(ii) Molarity          
(iii) Energy    
(iv) Temperature ?

Out of 5.00 g and 5.0 g which one is more accurate and why?

What is iodised table salt?

Under what conditions air is considered as a heterogenous mixture?

What is gun powder?

Name two elements which are liquids.

Name two elements which are gases.

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