When a base reacts with a metal, along with the evolution of hydrogen gas a salt is formed which has a positive ion composed of the metal and oxygen. True or false Q12
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When a base reacts with a metal, along with the evolution of hydrogen gas a salt is formed which has a negative ion composed of the metal and oxygen.
2Al+2NaOH+6H
2
O→2Na[Al(OH)
4
]+3H
2
it is false
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