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Phosphoric acid
Sodium dihydrogen phosphate
Disodium hydrogen phosphate
Sodium phosphate
An antibiotic is
An atom of an element has atomic number 17 and mass number 36. The number of neutrons in its nucleus is
An electric iron has a heating element made of :
An electrochemical cell which is used as a source of direct electrical current at constant voltage under standard conditions is called a :
An element found in all organic compounds is
An element of atomic no. 29 belongs to
An element that can form a pentoxide is
An element that does not occur in nature but can be produced artificially is
An example of a cross-linked polymer is
An important green-house gas other than methane being produced from the agricultural fields is