Question

Calculate the mass of Calcium oxide obtained when 30g of Calcium

carbonate is heated​

Answer 1

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.

Answer 2

16.8 gram calcium oxide is formed