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Q. The pH of pure water is
Pure water has a pH of 7 and is considered “neutral” because it has neither acidic nor basic qualities
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Q. The pH of human blood is mornally around
Q. The substance that contains the maximum amount of nitrogen is
Q. Which among the given is not present in German-silver
Q. Anaemic patients are deficient in
Q. Permanent hardness of water is due to the presence of ?
Q. The number of unpaired electrons in carbon atom is
Q. An element that does not occur in nature but can be produced artificially is
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