1: the symbol of the metal should be written first.
2: the valency of the elements or radicals should be interchanged.
90% of energy is lost. only 10% is left.
therefore the answer is B. 90%
Hello!
The pollution due to oxides of sulfur gets enhanced due to the
presence of :
- (a) particulate matter
- (b) ozone
- (d) hydrogen peroxide
∴ The correct option is : <u>(4) (a),(b),(d) only</u>