A. 49 B. 56 C. 25 D. 46
Read More »Which one of the following is the key function of the kidneys______?
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.
Read More »An analgesic is taken to relieve oneself of_____?
A. Cough B. Indigestion C. Pain D. Fever
Read More »Ionization potential is the term used to express _____?
A. Electron affinity B. Electronegativity C. Ionization Energy D. None of these.
Read More »Which of the following elements has the smallest size______?
A. Magnesium B. Phosphorous C. Chlorine D. Aluminium.
Read More »Which is the most reactive Halogen______?
A. Fluorine B. Iodine C. Chlorine D. Bromine
Read More »With respect to which element, the valency of elements corresponds to group number_____?
A. Hydrogen B. Oxygen C. Carbon D. Helium
Read More ». Which of the following particles move around the nucleus of an atom and are negatively charged____?
A. Protons B. Neutrons C. Electrons D. None of these
Read More »Which of the following plays the central role in determining the chemical properties of atoms and molecules______?
A. Electrons B. Neutrons C. Protons D. All the above
Read More »Which of the following statements about the use of radioactive isotopes is correct?
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
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