Question

10. Which of the following is a metal that can be cut
with a knife?
at Sodium
(b) Lithium
(c) Magnesium (d) None of these​

Answer 1

Explanation:

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Sodium, potassium, lithium are soft metals and can be easily cut. It is the secong least dense metal after lithium. It is a soft solid that has a low melting point and can be cut with knife while iron and gold are hard and dense metals which are melleable and ductile.