Home/ Raaz Malhotra/Answers
  1. Asked: In:

    Write down three elements that show Dobereiner’s triad.

    Raaz Malhotra

    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-5/

    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-5/

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  2. Asked: In:

    Write down two drawbacks of Newland’s law of octaves.

    Raaz Malhotra

    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-5/

    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-5/

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    • 1
  3. Asked: In:

    What was the need for classification of elements?

    Raaz Malhotra

    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-5/

    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-5/

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    • 1
  4. Asked: In:

    Name the tissue that transport water and minerals in plants.

    Raaz Malhotra

    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-6/

    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-6/

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    • 1
  6. Asked: In:

    What is emulsification?

    Raaz Malhotra

    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-6/

    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-6/

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    • 1
  7. Asked: In:

    (a) Why are most of carbon compounds poor conductor of electricity. (b) Write the name and structure of salucated compound in which carbon alone arrange in a ring. Give the number of single bonds present in this compound.

    Raaz Malhotra

    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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  8. Asked: In:

    When ethanoic acid reacts with sodium hydrogen carbonate, the salt ‘X’ is formed and gas ‘Y’ is evolved. (a) identify ‘X’ and ‘Y’ (b) Write the chemical equation for above reaction. (c) Describe a test to identify the gas ‘Y’ evolved.

    Raaz Malhotra

    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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  9. Asked: In:

    Identify the functional group in following: (a) HCHO (b) CH₃COOH (c) CH₃CH₂OH (d) CH₃COCH₃.

    Raaz Malhotra

    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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    • 1
  11. Asked: In:

    What is homologous series? Explain with the help of example.

    Raaz Malhotra

    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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  12. Asked: In:

    A Neutral organic compound is warmed with some ethanoic acid a little of conc. H₂SO₄ to from Ester, vapours having sweet smell are evolved. write the chemical equation and what type of functional group is present in this organic compound?

    Raaz Malhotra

    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/

    See less
    • 1