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The equivalent resistances of two conductors are 9 Ω and 2 Ω when they are connected in series and parallel combinations respectively.…
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Define dispersion of light. How would you identify monochromatic light and composite light with the help of a prism? [1 + 2]
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Write down the relationship between relative refractive index and absolute refractive index. On which factors does the relative refractive index of a…
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Define Thermal conductivity. What is the SI unit of Thermal resistance? [2 + 1] OR Define volume expansion coefficient of a gas.…
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How much H2 is obtained when steam is passed over 21 g red hot iron? What would be the volume of that…
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Mention a phenomenon by which it can be said that the gas molecules are in constant motion. Mention two incorrect postulates of…
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What is a denatured spirit? OR Write one use each of Ethyl alcohol and Acetic acid.
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Why is dehydrated calcium chloride added during the extraction of sodium through electrolysis of sodium chloride ? OR Mention two ways of…
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Why is concentrated H2SO4 not used to dry ammonia gas ?
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Why is the formula weight appropriately used instead of the molecular weight in the case of the ionic compounds?
