In Text Questions Page Number 40 Chapter 3 Science Class 10 NCERT Solutions in Text Question Chapter 3 Metal and

In text Questions page number 40

Question 1. Give an example of a metal which
(i) is a liquid at room temperature.
(ii) can be easily cut with a knife.
(iii) is the best conductor of heat.
(iv) is a poor conductor of heat.
Answer:
(i) Mercury(Hg)
(ii) Sodium(Na)
(iii) Silver(Ag)
(iv) Lead(Pb)

Question 2. Explain the meanings of malleable and ductile.
Answer:
Malleable: A substance which can be beaten to convert into sheets are said to be malleable. Generally all metals are malleable. For example copper, iron etc.
Ductile: A substance which can be drawn into wires are said to be ductile. Generally all metals are ductile. For example silver, gold etc.