Home/ Jaclin/Answers
  1. Asked: In:

    Compound x decomposes to form compound Y and co₂ gas. Ccompound Y is used in manufacturing of cement. (a) Name the compound ‘X’ and ‘Y’. (b) Write the chemical equation for this reaction.

    Jaclin

    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-1/

    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-1/

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  2. Asked: In:

    A metal salt mx when exposed to light split up to form metal metal M and gas X₂. metal m is used to make ornaments whereas gas X₂ is used to make ornaments whereas gas X₂ is used in making bleaching Powder. The salt MX is used in black & white photography. (a) Identify the metal M and Gas X₂. (b) Identify MX. (c) Write down the chemical reaction when salt MX is exposed to sunlight.

    Jaclin

    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-1/

    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-1/

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  3. Asked: In:

    A metal strips X is dipped in blue coloured salt solution YSO₄. After some time, a layer of metal ‘Y’ Is formed on metal strips X. Metal X is used is galvanization whereas metal Y is used for making Electric wires. (a) what could be metal X and Y? (b) Name the Metal salt YSO₄. (C) What Type of Chemical reaction takes place between X and YSO₄? Write the balanced chemical equation.

    Jaclin

    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-1/

    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-1/

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  4. Asked: In:

    When potassium Iodide solution is added to a solution of lead nitrate in test tube, a precipitate is formed. (i) State the colour precipitate (ii) Name the compound precipitated. (iii) Write balanced equation for chemical reaction.

    Jaclin

    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-1/

    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-1/

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  6. Asked: In:

    Decomposition reactions require energy either in form of heat and light a electricity for breaking down of reactions. Write one equation for each type of decomposition reaction where heat, light or electricity is used as form of energy.

    Jaclin

    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-1/

    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-1/

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  7. Asked: In:

    2 gm of silver chloride is taken in china dish, and china dish is placed in sunlight for sometime. What will be your observation. Write the balanced chemical equation for above reaction and identify the type of reaction.

    Jaclin

    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-1/

    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-1/

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  8. Asked: In:

    Identify the type of reactions taking place in each of following cases and write the balanced chemical equation for the reactions. (a) Zn reacts with silver nitrate to produce zinc nitrate and silver. (b) Potassium iodine reacts with lead nitrate to produce potassium nitrate and lead iodide.

    Jaclin

    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-1/

    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-1/

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  9. Asked: In:

    Give One example of each: Chemical reaction showing evolution of gas.

    Jaclin

    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-1/

    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-1/

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  11. Asked: In:

    Give One example of each: Change in substances’ color during a chemical reaction.

    Jaclin

    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-1/

    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-1/

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  12. Asked: In:

    Give One example of each: Chemical reaction showing change in temp.

    Jaclin

    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-1/

    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-1/

    See less
    • 2