Acid rain is caused by
A). SO2 and particulates
B). NO2and particulates
C). CO2and CFCs
D). SO2 and NO2
SO2 and NO2
Acid rain is caused by sulphur dioxide and nitrogen dioxide.
1. Removal of carbon particles from air involves the principle of
2. Electric bulbs are filled with :
4. Milk of Magnesia is a suspension of :
5. Wax used for making candle is chemically a mixture of
6. The cathode of a lead storage battery is made up of
7. Which one of the following elements exhibits the greatest tendency to lose electrons ?
8. Muddy water is treated with alum in purification process, it is termed as.