SCIENCE
PHYSICAL SCIENCES
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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liter
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gas
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kilogram
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ice
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Detailed explanation-1: -The SI unit of mass is the kilogram (kg).
Detailed explanation-2: -The kilogram, symbol kg, is the SI unit of mass. It is defined by taking the fixed numerical value of the Planck constant h to be 6.626 070 15 x 10ā34 when expressed in the unit J s, which is equal to kg m2 sā1, where the metre and the second are defined in terms of c and Cs.
Detailed explanation-3: -Within SI there are seven base units upon which all others are based. The base units include: mass, length, time, temperature, amount of substance, electric current, and luminous intensity.
Detailed explanation-4: -The prefixes used in the metric system and their values are defined in Table 1 below. However, the values you will most frequently encounter in biology are kilo-(1000x the base unit), milli-(0.001x base), micro-(0.000001x base) and nano-(0.000000001x base).
Detailed explanation-5: -The basic unit of mass in the metric system is the gram.