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Some Basic Concepts Of Chemistry

Question

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State the number of significant figures in the following number:
0.0300

Solution

0·0300 has three significant figures because zeros at the end of a number but to the right of the decimal pooint are significant.

Some More Questions From Some Basic Concepts of Chemistry Chapter

What is the number of significant figures in 0.0026?

What is the number of significant figures in 9.984?

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 ?

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