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प्रश्न
State any five physical properties of non-metals.
उत्तर
Five physical properties of non-metals are:
- Non-metals are brittle. They are neither malleable nor ductile.
- Non-metals are bad conductors of heat and electricity (except graphite).
- Non-metals are non lustrous (dull) and cannot be polished (except iodine).
- Non-metals may be solids, liquids or gases at room temperature.
- Non-metals are neither tough nor strong.
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