Acid rain occurs because of?
1). Carbon oxides
2). Phosphorous oxides
3). Sulphur oxide
4). Carbon dioxide
Acid rain occurs because of the oxides of Sulphur and Nitrogen which in turn when mixed with water fall as sulphuric and nitric acid.
1. Brass gets discoloured in air due to constant exposure in presence of:
2. Prince Salim was the name of the future Emperor _________.
3. What is 1 Horse Power (HP)?
5. Which principle is used in Washing machine to clean the clothes?
6. Which one of the following is an insulator?
7. Which of the following is very reactive and kept in kerosene?
8. Which among the following forms a common passage for both the sperms and urine in human males?