Metals are generally
A{'text': 'Bad conductors of heat and electricity', 'label': 'A'}
B{'text': 'Brittle at room temperature', 'label': 'B'}
C{'text': 'Good conductors of heat and electricity', 'label': 'C'}
D{'text': 'Non-lustrous by nature', 'label': 'D'}
Answer & Solution
Correct answer: C. {'text': 'Good conductors of heat and electricity', 'label': 'C'}
1. NCERT lists the general physical properties of metals.
2. Metals are good conductors of heat and electricity.
3. They are malleable (rolled into sheets) and ductile (drawn into wires).
4. They are lustrous, sonorous and hard (except for a few like Na, K).
_Source: NCERT Class 10 Science, Ch 3 "Metals and Non-metals", §3.1_
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