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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.
Define Advantages of Blanching? Blanching as a pre-treatment before drying has the following advantages: 1. It helps in cleaning the material and reducing the amount
Q. Determine ST-Segment Elevation? Ans. Exercise induced ST-segment elevation is common in subjects with post MI stress tests in leads where Q-waves are present. It has be
Primary and secondary solid fuels are widely used in domestic and industrial purpose. Wood and coal constitute the important primary solid fuels. The important secondary solid fuel
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Define Typical Ambient Air Pollutants Particulate matter Sulfur containing compounds Organic compounds Nitrogen containing compounds Carbon monoxide
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