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PPSC Chemistry Part VII NanoChemistry Online Test
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Total Questions20
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Time Allowed20
PPSC Chemistry Part VII NanoChemistry Online Test
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Question # 1
In radial direction the thermal conductivity of a nano tube is ______ watt/(m.k)
Question # 2
When a large block of silicon wafer is reduced to smaller component and hence non material is formed this approach is called.
Question # 3
Who was the first scientist to describe that substance having Nano dimensions possess altogether different and unique properties.
Question # 4
The diameter of fly ash particles is._________ micro meter
Question # 5
The capacity of normal human eye to see the smallest object is _______ micro meter
Question # 6
Which of the following techniques is bulk technique.
Question # 7
The prefiex 'nano' comes from a
Question # 8
The ration of thermal conductivity of silver to that of a carbon nanotube is.
Question # 9
Length of semiconductor nanorods are in the range of.
Question # 10
The width of a typical DNA molecule is _______nm
Question # 11
The physical methods of nano roads syntheses involves.
Question # 12
What exactly is quantum dot
Question # 13
Which idea of envisioned the construction of nano robots
Question # 14
The particles of about 1 nm need _______ activation energy to enter either aggregation processes or reactions to give to new chemicals.
Question # 15
The width of a carbon nano tube is.________ nm
Question # 16
The hardest material found in nature is
Question # 17
The orientation of a crystalline surface is confidently defined in terms of.
Question # 18
"There is a plenty of room at the bottom" This was stated by
Question # 19
1 meter = ___________ nm
Question # 20
Attention should be focused on qualitative changes in particle properties as a function of.
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Biology Chapter 1 MCQ - PDF
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Download PDF with answers to study online or offline. The PDF cotnains all MCQ questions with answers for Class 10 Biology Chapter 1 - Acids and Liquids. Total questions are 12.