A. All the covalent bonds
B. Zero charge at surface
C. All are ionic bond
D. None of the above
A. Mo
B. Al
C. Fe
D. All the above
A. Lime
B. Sulphuric acid
C. Urea
D. All the above
A. Inversely related
B. Directly related
C. Not related
D. Occasionally related
A. Solid and gases
B. CO2 & N
C. Solid and liquid
D. None of the above
A. Sleepy feelings
B. Hair disease
C. Mental disease
D. Acid rains
A. Glaciers
B. Barren land
C. Tundra
D. None of the above
A. Reduction
B. Oxidation
C. Denitrification
D. None of the above
A. Acid to water
B. Water to acid
C. Both a & b
D. none
A. 250ºC
B. 1000ºC
C. 550ºC
D. 1250ºC