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Some Basic Concepts Of Chemistry

Question
CBSEENCH11004988
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Express each of the following in SI units:
5 feet 2 inches (the average height of an Indian female).

Solution

5 feet 2 inches:
5 feet 2 inches = 62 inches
because space space space space space space space space space space space 1 space inch space equals space 2.54 space cross times space 10 to the power of negative 2 end exponent straight m therefore space space space space 5 space feet space 2 space inches space equals space 62 space cross times space 2.54 space cross times space 10 to the power of negative 2 end exponent straight m space space space space space space space space space space space space space space space space space space space space space space space space space space space space equals space 157.48 space cross times 10 to the power of negative 2 end exponent straight m space space space space space space space space space space space space space space space space space space space space space space space space space space space space equals space 1.57 space straight m space space space space space space space space space space space space

Some More Questions From Some Basic Concepts of Chemistry Chapter

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.

Name the scientist who proposed the law of multiple proportions.

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