Home/ Yadavi Yadav/Answers
  1. Asked: In:

    What would be the electron dot structure of carbon dioxide which has the formula CO2?

    Yadavi Yadav

    Get Hindi Medium and English Medium NCERT Solution for Class 10 Science to download. Please follow the link to visit website for first and second term exams solutions. https://www.tiwariacademy.com/ncert-solutions/class-10/science/chapter-4/

    Get Hindi Medium and English Medium NCERT Solution for Class 10 Science to download.
    Please follow the link to visit website for first and second term exams solutions.
    https://www.tiwariacademy.com/ncert-solutions/class-10/science/chapter-4/

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    • 2
  2. Asked: In:

    Give reasons

    Yadavi Yadav

    Get Hindi Medium and English Medium NCERT Solution for Class 10 Science to download. Please follow the link to visit website for first and second term exams solutions. https://www.tiwariacademy.com/ncert-solutions/class-10/science/chapter-3/

    Get Hindi Medium and English Medium NCERT Solution for Class 10 Science to download.
    Please follow the link to visit website for first and second term exams solutions.
    https://www.tiwariacademy.com/ncert-solutions/class-10/science/chapter-3/

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    • 0
  3. Asked: In:

    State two ways to prevent the rusting of iron.

    Yadavi Yadav

    Get Hindi Medium and English Medium NCERT Solution for Class 10 Science to download. Please follow the link to visit website for first and second term exams solutions. https://www.tiwariacademy.com/ncert-solutions/class-10/science/chapter-3/

    Get Hindi Medium and English Medium NCERT Solution for Class 10 Science to download.
    Please follow the link to visit website for first and second term exams solutions.
    https://www.tiwariacademy.com/ncert-solutions/class-10/science/chapter-3/

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    • 1
  4. Asked: In:

    Write the electron-dot structures for sodium, oxygen and magnesium.

    Yadavi Yadav

    Get Hindi Medium and English Medium NCERT Solution for Class 10 Science to download. Please follow the link to visit website for first and second term exams solutions. https://www.tiwariacademy.com/ncert-solutions/class-10/science/chapter-3/

    Get Hindi Medium and English Medium NCERT Solution for Class 10 Science to download.
    Please follow the link to visit website for first and second term exams solutions.
    https://www.tiwariacademy.com/ncert-solutions/class-10/science/chapter-3/

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    • 2
  6. Asked: In:

    A copper wire has diameter 0.5 mm and resistivity of 1.6 × 10–8 W m. What will be the length of this wire to make its resistance 10 W? How much does the resistance change if the diameter is doubled?

    Yadavi Yadav

    Get Hindi Medium and English Medium NCERT Solution for Class 10 Science to download. Please follow the link to visit website for first and second term exams solutions. https://www.tiwariacademy.com/ncert-solutions/class-10/science/chapter-12/

    Get Hindi Medium and English Medium NCERT Solution for Class 10 Science to download.
    Please follow the link to visit website for first and second term exams solutions.
    https://www.tiwariacademy.com/ncert-solutions/class-10/science/chapter-12/

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    • 1
  7. Asked: In:

    Make a diagram to show how hypermetropia is corrected. The near point of a hypermetropic eye is 1 m. What is the power of the lens required to correct this defect? Assume that the near point of the normal eye is 25 cm.

    Yadavi Yadav

    Get Hindi Medium and English Medium NCERT Solution for Class 10 Science to download. Please follow the link to visit website for first and second term exams solutions. https://www.tiwariacademy.com/ncert-solutions/class-10/science/chapter-11/

    Get Hindi Medium and English Medium NCERT Solution for Class 10 Science to download.
    Please follow the link to visit website for first and second term exams solutions.
    https://www.tiwariacademy.com/ncert-solutions/class-10/science/chapter-11/

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    • 1
  8. Asked: In:

    Which one of the following materials cannot be used to make a lens?

    Yadavi Yadav

    Get Hindi Medium and English Medium NCERT Solution for Class 10 Science to download. Please follow the link to visit website for first and second term exams solutions. https://www.tiwariacademy.com/ncert-solutions/class-10/science/chapter-10/

    Get Hindi Medium and English Medium NCERT Solution for Class 10 Science to download.
    Please follow the link to visit website for first and second term exams solutions.
    https://www.tiwariacademy.com/ncert-solutions/class-10/science/chapter-10/

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    • 1
  9. Asked: In:

    A convex lens forms a real and inverted image of a needle at a distance of 50 cm from it. Where is the needle placed in front of the convex lens if the image is equal to the size of the object? Also, find the power of the lens.

    Yadavi Yadav

    Get Hindi Medium and English Medium NCERT Solution for Class 10 Science to download. Please follow the link to visit website for first and second term exams solutions. https://www.tiwariacademy.com/ncert-solutions/class-10/science/chapter-10/

    Get Hindi Medium and English Medium NCERT Solution for Class 10 Science to download.
    Please follow the link to visit website for first and second term exams solutions.
    https://www.tiwariacademy.com/ncert-solutions/class-10/science/chapter-10/

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    • 3
  11. Asked: In:

    Draw a labelled diagram of the longitudinal section of a flower.

    Yadavi Yadav

    Get Hindi Medium and English Medium NCERT Solution for Class 10 Science to download. Please follow the link to visit website for first and second term exams solutions. https://www.tiwariacademy.com/ncert-solutions/class-10/science/chapter-8/

    Get Hindi Medium and English Medium NCERT Solution for Class 10 Science to download.
    Please follow the link to visit website for first and second term exams solutions.
    https://www.tiwariacademy.com/ncert-solutions/class-10/science/chapter-8/

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    • 1
  12. Asked: In:

    Name a part of the female reproductive system in human beings?

    Yadavi Yadav

    Get Hindi Medium and English Medium NCERT Solution for Class 10 Science to download. Please follow the link to visit website for first and second term exams solutions. https://www.tiwariacademy.com/ncert-solutions/class-10/science/chapter-8/

    Get Hindi Medium and English Medium NCERT Solution for Class 10 Science to download.
    Please follow the link to visit website for first and second term exams solutions.
    https://www.tiwariacademy.com/ncert-solutions/class-10/science/chapter-8/

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    • 1