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mcqs of
,
1 : Which of the following pairs of quantities may be measured in the same unit?
1
:
Hate and temperature
2
:
Temperature and area
3
:
Heat and work
4
:
Length and work
2 : Express 0.0000840 in scientific notation:
1
:
8.40*10-3
2
:
840*10-6
3
:
8.40*10-4
4
:
84.0*10-5
3 : In SI unit of pressure is expressed in:
1
:
Newton per metre
2
:
Newton per metre square
3
:
Joule
4
:
Pascal
4 : Which symbol is used for kilogram in SI units?
1
:
K
2
:
k
3
:
Kgm
4
:
kg
5 : In SI unit prefix nano means:
1
:
10-9
2
:
10-8
3
:
10-11
4
:
10-12
6 : 65°C is equivalent to:
1
:
208K
2
:
338K
3
:
403K
4
:
300K
7 : But prefix is used for 10-12?
1
:
Mega
2
:
Pico
3
:
Giga
4
:
Tessa
8 : In which unit we usually measured the energy present in the food?
1
:
Kilojoules
2
:
Megajoules
3
:
Calorie
4
:
Joule
9 : What does a mole represent?
1
:
Number
2
:
Mass
3
:
Volume
4
:
Length
10 : Miss you not a volume should really be used in chemistry?
1
:
Millilitre
2
:
Litre
3
:
Cubic centimeter
4
:
Cubic metre
Chemistry 9th MCQs || Ilam Ghar
Chapter 12 : Empirical Data Collection and Analysis
Chemistry 9th
