Senior One Quiz No.3 [Nano Technology]

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| By Assisstant Ayman

Assisstant Ayman

Community Contributor

Quizzes Created: 1 | Total Attempts: 338

Questions: 6 | Attempts: 338 | Updated: Mar 22, 2023

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Questions and Answers

1.

The ratio between surface area and volume increase lead to ......................
- A.
  
  Increase rate of chemical reaction
- B.
  
  Decrease rate of chemical reaction
- C.
  
  Rate of chemical reaction constant
- D.
  
  None
Correct Answer
A. Increase rate of chemical reaction

Explanation
When the ratio between surface area and volume increases, it means that the surface area of the substance in question is increasing relative to its volume. This increased surface area allows for more contact between the substance and its surroundings, which in turn increases the chances of chemical reactions occurring. Therefore, an increase in the ratio between surface area and volume leads to an increase in the rate of chemical reaction.

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2.

Its part of billion part is ..............................
- A.
  
  Nano meter
- B.
  
  Nano
- C.
  
  Nano scale
- D.
  
  None
Correct Answer
B. Nano

Explanation
The correct answer is "nano." This suggests that the given part is a billionth part of something, specifically measured in nanometers. The term "nano" is commonly used to indicate a scale of measurement that is extremely small, making it an appropriate choice for the given context.

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3.

Nano scale ranges between ............m to .............m
- A.
  
  10^-9 to 10^-7
- B.
  
  10^-8 to 10^-7
- C.
  
  10^-5 to 10^-7
- D.
  
  None
Correct Answer
A. 10^-9 to 10^-7

Explanation
The correct answer is 10-9 to 10-7. The nano scale ranges between 10-9 meters to 10-7 meters. This range represents the length scale at which materials and structures exhibit unique properties and behaviors due to their small size. At the nanoscale, quantum effects become more pronounced, and materials can have different optical, electrical, and mechanical properties compared to their bulk counterparts. This range is crucial for various fields such as nanotechnology, electronics, and medicine.

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4.

A scale for measuring the very small particles
- A.
  
  Nano scale
- B.
  
  Volume scale
- C.
  
  Size scale
- D.
  
  None
Correct Answer
A. Nano scale

Explanation
The correct answer is "nano scale". This is because the term "nano" refers to one billionth of a unit, and is commonly used to describe particles or objects that are extremely small. Therefore, a scale for measuring very small particles would be referred to as a "nano scale".

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5.

The greatest number from the following is .................
- A.
  
  10^-9
- B.
  
  10^-6
- C.
  
  10^-3
- D.
  
  10^-2
Correct Answer
D. 10^-2

Explanation
The greatest number from the given options is 10-2. When subtracting a smaller number from a larger number, the result is a larger number. Therefore, 10-2 is greater than 10-3, 10-6, and 10-9.

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6.

In macro scale , gold has ..............color
- A.
  
  Yellow
- B.
  
  Red
- C.
  
  Blue
- D.
  
  B/c
Correct Answer
A. Yellow

Explanation
Gold has a yellow color in macro scale. This is due to its unique atomic structure and the way it absorbs and reflects light. The metal's electrons absorb certain wavelengths of light, particularly in the blue and green regions of the spectrum, while reflecting yellow light. This selective absorption and reflection of light gives gold its distinct yellow color.

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Current Version
Mar 22, 2023

Quiz Edited by
ProProfs Editorial Team
Oct 06, 2019

Quiz Created by
Assisstant Ayman

Senior One Quiz No.3 [nano Technology]

The ratio between surface area and volume increase lead to ......................

Its part of billion part is ..............................

Nano scale ranges between ............m to .............m

A scale for measuring the very small particles

The greatest number from the following is .................

In macro scale , gold has ..............color