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Bhawani Parsad

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  1. Asked: April 23, 2024In: Class 9 Science

    How do we determine the formula unit for an ionic compound?

    Bhawani Parsad
    Added an answer on April 25, 2024 at 4:30 am

    The formula unit of an ionic compound is determined by balancing the charges of the ions involved, ensuring a net charge of zero. This involves crisscrossing the charges to find the ratio of ions in the simplest form.

    The formula unit of an ionic compound is determined by balancing the charges of the ions involved, ensuring a net charge of zero. This involves crisscrossing the charges to find the ratio of ions in the simplest form.

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  2. Asked: April 23, 2024In: Class 9 Science

    What is the difference between molecular mass and formula unit mass?

    Bhawani Parsad
    Added an answer on April 25, 2024 at 4:30 am

    Molecular mass refers to the mass of a molecule, calculated by summing the atomic masses of its constituent atoms. Formula unit mass applies to ionic compounds and represents the mass of one formula unit, comprising the combined atomic masses of its ions.

    Molecular mass refers to the mass of a molecule, calculated by summing the atomic masses of its constituent atoms. Formula unit mass applies to ionic compounds and represents the mass of one formula unit, comprising the combined atomic masses of its ions.

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  3. Asked: April 13, 2024In: Class 9 Science

    Why does water left uncovered slowly change into vapor?

    Bhawani Parsad
    Added an answer on April 25, 2024 at 4:30 am

    Water left uncovered slowly changes into vapor due to evaporation. Molecules at the surface gain enough energy from the surroundings to break free from the liquid phase and enter the gaseous phase.

    Water left uncovered slowly changes into vapor due to evaporation. Molecules at the surface gain enough energy from the surroundings to break free from the liquid phase and enter the gaseous phase.

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  4. Asked: April 1, 2024In: Class 9 Science

    What precautions should be taken to prevent fertilizer runoff?

    Bhawani Parsad
    Added an answer on April 25, 2024 at 4:30 am

    To prevent fertilizer runoff, use controlled-release fertilizers, apply fertilizers when rain is not expected, avoid over-fertilizing, use vegetative buffers along water bodies, employ conservation tillage methods, and maintain proper soil pH to reduce nutrient leaching.

    To prevent fertilizer runoff, use controlled-release fertilizers, apply fertilizers when rain is not expected, avoid over-fertilizing, use vegetative buffers along water bodies, employ conservation tillage methods, and maintain proper soil pH to reduce nutrient leaching.

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  5. Asked: March 29, 2024In: Class 9 Science

    How do plants acquire macro and micro-nutrients from their environment?

    Bhawani Parsad
    Added an answer on April 25, 2024 at 4:30 am

    Plants acquire macro-nutrients, such as nitrogen, phosphorus, and potassium, from the soil through their roots via active or passive transport mechanisms. They obtain micro-nutrients, like iron and zinc, through similar processes. These nutrients dissolve in soil water and are absorbed by root hairsRead more

    Plants acquire macro-nutrients, such as nitrogen, phosphorus, and potassium, from the soil through their roots via active or passive transport mechanisms. They obtain micro-nutrients, like iron and zinc, through similar processes. These nutrients dissolve in soil water and are absorbed by root hairs, then transported through the plant’s vascular system to various tissues where they are utilized for growth and metabolism.

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