18 Questions
What is the SI unit of mass?
Kilogram
Which instrument is used to measure the volume of a liquid accurately in a laboratory?
All of the above
What is the unit of volume?
(Length)^3
Which temperature scale has a range of 0° to 100°?
Celsius scale
What is the smallest unit of mass commonly used in a laboratory?
Gram
What is the purpose of a volumetric flask?
To prepare a known volume of a solution
What is the unit of luminous efficacy of monochromatic radiation of frequency 540×10^12 Hz?
lm·W–1
What is the prefix for 10^15 in the SI System?
peta
What is the difference between mass and weight?
Mass is the amount of matter present in it, while weight is the force exerted by gravity on an object.
What is the SI unit of volume?
m3
What is the relationship between litre (L) and cubic centimetre (cm3)?
1 L = 1000 cm3
What is the advantage of using SI units?
They are easy to convert between units.
What is the symbol for the SI unit of length?
m
What is the fixed numerical value of the planck constant h in the unit Js?
6.62607015×10–34
What is the unit of thermodynamic temperature?
Kelvin
What is the SI unit of electric current?
ampere
What is the unit of amount of substance?
mole
What is the unit of luminous intensity?
candela
Test your understanding of the International System of Units (SI) and its prefixes, including definitions and conversions. Learn about the fundamental units of measurement and their applications in chemistry. Practice problems and questions to help you master SI units and prefixes.
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