Senior One Quiz No.3 [nano Technology]

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| By Assisstant Ayman
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Assisstant Ayman
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Quizzes Created: 1 | Total Attempts: 344
| Attempts: 344
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  • 1/6 Questions

    A scale for measuring the very small particles 

    • Nano scale 
    • Volume scale 
    • Size scale 
    • None
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About This Quiz

Senior One Quiz No. 3 focuses on Nanotechnology, exploring key concepts such as nano scale measurements, properties of materials at nano scale, and their implications in chemical reactions. Essential for students interested in advanced materials science.

Senior One Quiz No.3 [nano Technology] - Quiz

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  • 2. 

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

    • 10-9 to 10-7

    • 10-8 to 10-7

    • 10-5 to 10-7

    • 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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  • 3. 

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

    • 10-9

    • 10-6

    • 10-3

    • 10-2

    Correct Answer
    A. 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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  • 4. 

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

    • Increase rate of chemical reaction

    • Decrease rate of chemical reaction

    • Rate of chemical reaction constant 

    • 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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  • 5. 

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

    • Nano meter

    • Nano

    • Nano scale

    • None

    Correct Answer
    A. 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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  • 6. 

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

    • Yellow 

    • Red

    • Blue

    • 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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Quiz Review Timeline (Updated): Mar 22, 2023 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 22, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Oct 06, 2019
    Quiz Created by
    Assisstant Ayman
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