Which non-metal is lustrous?
AIodine
BCarbon
COxygen
DSodium
Answer & Solution
Correct answer: A. Iodine
1. Lustre is usually taken to be a property of metals.
2. One non-metal breaks that rule.
3. Iodine is a non-metal but it is lustrous.
4. So the answer is iodine.
_Source: NCERT Science, Ch 3 'Metals and Non-metals'_
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