NCERT Solutions for Chapter: Materials Metals and Non-Metals, Exercise 3: SHORT ANSWER QUESTIONS
NCERT Science Solutions for Exercise - NCERT Solutions for Chapter: Materials Metals and Non-Metals, Exercise 3: SHORT ANSWER QUESTIONS
Attempt the practice questions on Chapter 4: Materials Metals and Non-Metals, Exercise 3: SHORT ANSWER QUESTIONS with hints and solutions to strengthen your understanding. NCERT Exemplar Science - Class 8 solutions are prepared by Experienced Embibe Experts.
Questions from NCERT Solutions for Chapter: Materials Metals and Non-Metals, Exercise 3: SHORT ANSWER QUESTIONS with Hints & Solutions
Paheli bought a statue made of copper. To her surprise it acquired a dull green coating after a couple of months. Explain the reason.
In the given figure, you find that the bulb glows when an iron nail is placed between two ends of the wire.
Complete the following sentence on the basis of this fact.
From the given figure_____ is a metal.
In Fig 4.1 you find that the bulb glows when an iron nail is placed between two ends of wire. Complete the following sentences on the bases of this fact.
Fig 4.1
Metals are good _____ of electricity.
If in Fig. iron nail is replaced by a wooden stick, will the bulb glow or not? Justify your answer.
Paheli prepared a blue coloured solution of copper sulphate in beaker A and placed an iron nail in it. Boojho prepared a yellowish green solution of ferrous sulphate in beaker B and placed a copper wire in it. What changes will they observe in the two beakers after an hour?
A doctor prescribed a tablet to a patient suffering from iron deficiency. The tablet does not look like iron. Explain.
| Column A (Substance) |
Column B (Application) |
| (a) oxygen | (i) for making crackers |
| (b) copper | (ii) for disinfecting water |
| (c) sulphur | (iii) all living beings inhale during breathing |
| (d) iron | (iv) for making electric wires |
| (e) chlorine | (v) for making rails |
