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Some Basic Concepts Of Chemistry

Question

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Express the following numbers to four significant figures:

32.392800

Solution

The four significant figures:
32·39

Some More Questions From Some Basic Concepts of Chemistry Chapter

Express the Avogadro's number (6·023×10²³) upto three significant figures.

What is the result of (5.472 - 1.12) to the appropriate number of signficant figures?

Express 0.0468 in scientific notation.

What does SI units stand for?

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?

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