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प्रश्न
Metals are generally hard. Which of the following metals is an exception and can be cut with a knife?
पर्याय
Iron
Sodium
Gold
Magnesium
उत्तर
Sodium
Explanation -
Metals are generally hard. This means that most of the metals cannot be cut easily. But sodium metal is soft and can be easily cut with a knife.
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संबंधित प्रश्न
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(ii) another which does not react even with steam.
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Name the metal which has been placed just below copper in the reactivity series.
Name another metal oxide which behaves like aluminium oxide.
Name one metal which displaces copper from copper sulphate solution and one which does not.
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(a) lithium and sodium
(b) copper and potassium
(c) carbon and hydrogen
(d) phosphorus and sulphur
What is the cause of chemical bonding (or chemical combination) of atoms of elements?
Write the chemical equation for the following reaction:
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