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Write, with the balanced chemical equation, what happens when H2S gas is passed through an aqueous solution of Pb(NO3)2.
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Show by the help of a property of sodium chloride that sodium chloride is composed of ions. OR Show how ionic bond…
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Show by drawing a Lewis dot diagram of CH4 that CH4 is formed by covalent bonds. (Atomic numbers of H and C…
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Write one characteristic of each of electrical heater wire and fuse wire. [1 + 1]
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Write Snell’s law of refraction of light. OR Write two characteristics of the image of an extended object formed when it is…
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A fixed mass of a gas occupies a volume of 580 cm3 at a temperature of 17°C and a pressure of 750…
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Mention two possible future effects of global warming on environment.
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Write IUPAC name for CH3CH=CH2 [1] OR What is the disposition of the four valencies of carbon in methane?
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Which compound is formed by the reaction of atmospheric nitrogen and oxygen as a result of lightning?
