Question

Some of the following statements are incorrect. Find the incorrect
statements and correct them.
(a) The property of metals by virtue of which they can be drawn
into wires is called ductility.
(b) Metals are good conductor of electricity but poor conductor
of heat.
(c) Articles made of metals produce ringing sound when struck
hard.
(d) Oxides of non-metals and metals are acidic in nature.
(e) A less reactive metal replaces a more reactive metal from its
salt solution in water.


NCERT Class VIII
Science - Exemplar Problems

Chapter 4. Materials: Metals and Non-Metals

Answer 1

(a) True.

(b)False.
Metals are good conductor of heat as well as electricity.

(c)True.

(d)false.
The oxides of non-metals are acidic in nature, but the oxides of metals are not acidic in nature.

(e)False.
A more reactive metal replaces a more reactive metal from its salt solution in water.

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Answer 2

Answer:

option B ,d ,e

Explanation:

false

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