A. 49
B. 56
C. 25
D. 46
A. 49
B. 56
C. 25
D. 46
A. Removal of excess carbon dioxide from
blood
B. Pumping blood to the heart
C. Removal of urea and other nitrogenous
wastes from blood
D. Removal of excess water from blood.
A. Cough
B. Indigestion
C. Pain
D. Fever
A. Electron affinity
B. Electronegativity
C. Ionization Energy
D. None of these.
A. Magnesium
B. Phosphorous
C. Chlorine
D. Aluminium.
A. Fluorine
B. Iodine
C. Chlorine
D. Bromine
A. Hydrogen
B. Oxygen
C. Carbon
D. Helium
A. Protons
B. Neutrons
C. Electrons
D. None of these
A. Electrons
B. Neutrons
C. Protons
D. All the above
A. In medicine, they are used as tracers for diagnostic purposes
B. In industry, they are used to detect leak in water, oil and gas pipelines
C. They are used to determine the age of rocks and fossils
D. All of these statements are correct