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प्रश्न
Define a base.
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उत्तर
A base is defined as a chemical compound which when reacts with hydronium ion or H+ ions furnished by an acid to form salt and water only.
For example : CuO, Mg(OH)2
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संबंधित प्रश्न
Name the gas evolved when dilute HCl reacts with sodium hydrogencarbonate. How is it recognised?
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(a) honey bee
(b) ant
(c) wasp
(d) nettle leaf hair
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Across
(2) The solution which does not change the colour of either red or blue litmus.
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(7) Colour of blue litmus in lemon juice.
Down
(1) It is used to test whether a substance is acidic or basic.
(3) It is a natural indicator and gives pink colour in basic solution.
(5) Nature of ant’s sting.
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