Question

ऐसी धातु का उदाहरण दीजिए जो-
(i) कमरे के ताप पर द्रव होती हैl
(ii) चाकू से आसानी से काटा ज सकता हैl
(iii) ऊष्मा की सबसे अच्छी चालक होती हैl
(iv) ऊष्मा की कुचालक होती हैl

Answer 1

1.)Mercury 2.)Potassium 3.) Silver..

Answer 2

well the answer for this question is :
Give an example of a metal-

(I) Fluid at room temperature---- Mercury
Reason:
Mercury is a metal which exist as in liquid state at room temperature.

(Ii) can be cut easily with a knife---- sodium and potassium.
Reason: Even though they are metal but they soft so that they can cut easily with knife.

(Iii) is the best conductor of heat- Silver.
silver metal is the best conductor of heat.

(Iv) poor conductor of heat-- Lead
Reason:
Lead metal on reacting with oxygen forms lead oxide which is poor conductor of heat.