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class 9 Revision For PA2

  •  English    10     Public
    grade 9
  •   Study   Slideshow
  • Define Alloy
    Mixtures of two or more metals or a metal and a non-metal that cannot be separated into their components by physical methods
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  • Why is an alloy considered a mixture?
    It shows properties of its constituents and can have variable composition.
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  • Identify solute and solvent in Tincture of Iodine
    Solute Iodine , solvent alcohol
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  • Identify solute and solvent in Tincture of Iodine
    Solute Iodine , solvent alcohol
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  • Identify solute and solvent in Tincture of Iodine
    Solute Iodine , solvent alcohol
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  • Identify solute and solvent in Tincture of Iodine
    Solute Iodine , solvent alcohol
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  • Define Saturated solution
    A solution that has dissolved as much solute as it is capable of dissolving at any particular temperature.
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  • Define unsaturated solutions
    A solution in which more quantity of solute can be dissolved without raising its temperature
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  • Define concentration of solution
    The concentration of solution is defined as the amount of solute present in given quantity of solution.
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  • A solution contains 30 g of sugar dissolved in 370 g of water, calculate the concentration of solution.
    Ans:7.5%
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