
Concept explainers
(a)
Interpretation : The length of the box in centimetres should be determined.
Concept Introduction : The conversion factor can be used to convert one unit to another with the help of dimension analysis method.
(b)
Interpretation : The width of the box in centimetres should be determined.
Concept Introduction : The conversion factor can be used to convert one unit to another with the help of dimension analysis method.
(c)
Interpretation : The numberof significant figures in the width measurement should be determined.
Concept Introduction : There are following rules to determine the number of significant figures in a number:
- All non-zero digits are significant.
- Trailing zeros after decimal are significant.
- All zeros in between two significant digits are significant.
(d)
Interpretation : The volume of the box in cubic centimetres should be calculated.
Concept Introduction : The conversion factor can be used to convert one unit to another with the help of dimension analysis method. The volume formula of cuboid can be written as:
Volume = (length × width × height)

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Chapter 2 Solutions
Basic Chemistry
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