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Properties of Matter and their Measurement MCQs
1. How many scientific fundamental quantities are given S.I. units?
a) 5
b) 7
c) 3
d) 9
Answer: 7
2. What is the symbol of the amount of substance’s S.I. unit?
a) K
b) s
c) mol
d) kg
Answer: mol
3. What are the multiples for the prefixes yocto, atto respectively?
a) 10-24, 10-18
b) 10-9, 10-15
c) 10-15, 10-24
d) 10-24, 10-21
Answer: 10-24, 10-18
4. 1Litre = _______ m3.
a) 1000
b) 0.001
c) 1
d) 10
Answer: 0.001
5. What is the difference in units between Kelvin and centigrade scales of temperature?
a) 212.15
b) 32
c) 298
d) 273.15
Answer: 273.15
6. What is the human body temperature in Fahrenheit?
a) 212
b) 98.6
c) 273.15
d) 32
Answer: 98.6
7. Convert 40°C to °F.
a) 104K
b) 313°F
c) 104°F
d) 313K
Answer: 104°F
8. Which of the following may not be a physical property?
a) Odor
b) Color
c) Density
d) Composition
Answer: Composition
9. The observation of __________ properties needs a chemical change to occur.
a) Chemical
b) Physical
c) Extrinsic
d) Intrinsic
Answer: Chemical
10. Candela is the S.I. unit of _____
a) Luminous intensity
b) Thermodynamic temperature
c) Amount of substance
d) Electric current
Answer: Luminous intensity
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Categories: Some Basic Concepts of Chemistry