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What is a pH meter?
A pH meter is a device used for measuring. pH of any unknown solution. It is composed of:
a) A reference electrode
b) Glass electrode whose potential depends on the pH of the solution surrounding it
c) An electrometer, a device capable of measuring very small potential difference in a circuit of extremely high resistance.
Briefly explain about Food preservation Food preservation, as you are aware, is the process in which the perishable food materials are given a suitable physical or chemical t
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Based on your reading of the article entitled "Regulating Evolution", which of the following is a false statement? A. Individuals who are resistant to the malaria-causing para
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For a sample containing both protein and nucleic acid, the absorbance measured at a particular wavelenght will be the sum of contributions from both types of molecule. using the pr
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what is gaseous exchange
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