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    Physical Sciences Test

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    MD. Tasneem
    This document is a physical science test for Class X students in Chittoor District, Vijaya Spoorhti-2021-22. It contains 14 multiple choice questions worth 2 marks each (28 marks total) and 4 long answer questions worth 8 marks each (32 marks total). The test covers topics such as electrical potential difference, ore purification methods, semiconductor properties, metal extraction, Kirchhoff's laws, activity series, bulb ratings, corrosion experiments, and metal extraction methods.

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    Physical Sciences Test

    Uploaded by

    MD. Tasneem
    23 views1 page
    This document is a physical science test for Class X students in Chittoor District, Vijaya Spoorhti-2021-22. It contains 14 multiple choice questions worth 2 marks each (28 marks total) and 4 long answer questions worth 8 marks each (32 marks total). The test covers topics such as electrical potential difference, ore purification methods, semiconductor properties, metal extraction, Kirchhoff's laws, activity series, bulb ratings, corrosion experiments, and metal extraction methods.

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    a physical sciences test

    Original Title

    PHYSICAL SCIENCES TEST

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    This document is a physical science test for Class X students in Chittoor District, Vijaya Spoorhti-2021-22. It contains 14 multiple choice questions worth 2 marks each (28 marks total) and 4 long answer questions worth 8 marks each (32 marks total). The test covers topics such as electrical potential difference, ore purification methods, semiconductor properties, metal extraction, Kirchhoff's laws, activity series, bulb ratings, corrosion experiments, and metal extraction methods.

    Copyright:

    © All Rights Reserved
    Download as DOCX, PDF, TXT or read online from Scribd
    Download as docx, pdf, or txt
    23 views1 page

    Physical Sciences Test

    Uploaded by

    MD. Tasneem
    This document is a physical science test for Class X students in Chittoor District, Vijaya Spoorhti-2021-22. It contains 14 multiple choice questions worth 2 marks each (28 marks total) and 4 long answer questions worth 8 marks each (32 marks total). The test covers topics such as electrical potential difference, ore purification methods, semiconductor properties, metal extraction, Kirchhoff's laws, activity series, bulb ratings, corrosion experiments, and metal extraction methods.

    Copyright:

    © All Rights Reserved
    Download as DOCX, PDF, TXT or read online from Scribd
    Download as docx, pdf, or txt
    of 1

    VIJAYA SPOORTHI-2021-22 :: CHITTOOR DISTRICT

    PHYSICAL SCIENCE TEST-2


    Name: …………………………………….. Max Marks : 25

    Class : X Time : 1 Hour

    I. ANSWER THE FOLLOWING QUESTIONS. 4 x ½ = 2M


    1. S.I. Unit of potential difference is ________________
    2. Froth flotation method is used in the purification of __________ore.
    A) Sulphate B) Oxide C) Carbonate D) Nitrate
    3. A) V-I Graph of semiconductor is not linear.
    B) Semiconductors are non-ohmic
    a) Both A and R are false
    b) Both A and R are true, and R is the correct explanation of A.
    c) Both A and R are true, and R is not the correct explanation of A.
    4. Write the chemical name of ore which contains both K and Mg.
    II. ANSWER THE FOLLOWING 4 x ½ = 2M
    5. Why do we consider Tungsten as a suitable material for making filaments of
    a bulb?
    6. What is furnace? Give examples.
    7. What do you mean by electric shock?
    8. Name any two metals with chemical formulae, which occur in nature as
    oxide ores?
    9. What is e.m.f ?
    II. ANSWER THE FOLLOWING 5 x 2 = 10M
    10. How does a battery work?
    11. What is thermite process? Mention its applications in real life?
    12. State kirchoff’s laws?
    13. What is activity series? How it helps in extraction of metals?
    14. Two bulbs have rating 100W, 200V and 600W, 220V which one has the
    Greater resistance?
    IV. ANSWER THE FOLLOWING 4 x 2 = 8M
    15. (A) How do you verify that resistance of a conductor is proportional to length of the conductor for
    constant cross section area and temperature?
    OR
    (B) A house has 3 tube lights, 2 fans and a television. Each tube light draws 40W.The fan draws 80W
    and the television draws 60W. on the average all tube lights are kept on for five hours two fans for 12
    hours and TV for five hours every day. Find the cost of electric energy used for 30 days at the rate of
    3.00 per KWH.

    16. (A) Suggest an experiment to prove that the presence of air and water is essential for corrosion?
    explain the procedure?
    OR
    (B) Which method do you suggest for high reactivity metals? why?

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