A. Rotation of the crops
B. Adding lime to the acid salts
C. Adding manure and growing legumes
D. All
A. HF
B. HCI
C. HBr
D. HI
A. Melting point of elements
B. Boiling point of elements
C. Ionization energy of elements
D. Coordination number of ions
A. oxidation
B. reduction
C. oxidation-reduction
D. all of above represent same entity
A. 2-methyl octane
B. n-heptane
C. iso-octane
D. 3-methyl octane
A. NaCLO
B. NaClO2
C. NaClO3
D. NaClO4
Chlorofluorocarbons (CFCs) and other halogenated ozone depleting substances (ODS) are mainly responsible for man-made chemical ozone depletion. The total amount of effective halogens (chlorine and bromine) in the stratosphere can be calculated and are known as the equivalent effective stratospheric chlorine (EESC).