The upper layer of atmosphere is called the ____________________?
A. Stratosphere
B. Troposphere
C. Ionosphere
D. None of these
Related Questions on Chemical Environmental Engineering Mcqs
A. Mercury
B. Arsenic
C. Aluminium
D. Lead
A. Of clotting of blood
B. Of jamming of respiratory tract
C. It forms carboxyhemoglobin by combining with haemoglobin of blood, thereby making it incapable of absorbing oxygen
D. It forms CO2 by combining with oxygen present in the blood
In water treatment plant, zeolite process is used to remove the _____________ of water?
A. Acidity
B. Alkalinity
C. Hardness
D. Iron & zinc
Disinfection of water is done to remove ______________________?
A. Color
B. Bad taste
C. Foul odour
D. Bacteria