Calculate the mass of Calcium oxide obtained when 30g of Calcium
carbonate is heated
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3. Write the pollutants name of following sources. (4M)
(a) Incomplete combustion of coal & fuels in vehicles.
(b) Exhaust of vehicles.
(c) Burning of fuels like coal in power plants & volcanic eruptions.
(d) Industries like steel making.
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16.8 gram calcium oxide is formed
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