engineering recuitment APSC AE Civil 2020 Test Series Environmental Engineering Air and Noise Pollution
The catalyst used for the catalytic combination and removal of carbon monoxide and sulphur dioxide gases is
1
Platinum metal and vanadium pentoxide respectively.
2
Palladium II and Platinum metal respectively.
3
Palladium II and Vanadium Pentoxide respectively.
4
Activated Alumina and Vanadium Pentoxide respectively.