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Define Buffers and Buffer Solutions?
Solutions containing both weak acid and their salts or solutions containing weak hydroxides and their salts are referred to as buffer solutions. They have the capacity of resisting changes in pH when either acid or alkali is added to them. Buffers are therefore, aqueous solutions that tend to resist any pH change when small amounts of acid or base are added. A buffer system consists of a weak acid (proton donor) and its conjugate base (proton acceptor) or a weak base and its conjugate acid in comparable concentrations. Because they maintain a constant pH, buffers are good reference solutions.
ADRENA L MEDULLA The adrenal medulla develops from the neuroectoderm of the embryo. Medulla consists of chromaffin cells or phaeochromocytes. These cells are connected wi
Explain fixed performance system in oxygen therapy? Fixed Performance Systems: These devices are capable of delivering a fixed, preset concentration of oxygen regardless of t
Cyanotic Congenital Heart Disease So far we have discussed the acyanotic congenital heart disease. Now we shall discuss some of the main cyanotic congenital heart diseases.
Define Interaction with carbohydrate, fats and proteins? Dietary carbohydrates, fats and proteins require water-soluble vitamins for their metabolism and in turn, influence the
thermophillic micro-organisms
LIVING MATTER Since at the subatomic level, all matter is basically similar, the fundamental chemical and physical principles are equally applicable to all objects in nature; y
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How is plant tissues classified according to their functions? Plant tissues are separated into growth (embryonic) supporting, tissues, filling and photosynthetic tissues (groun
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