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Chemistry
Select the incorrect statement(s) about lanthanoids.
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Q. Select the incorrect statement(s) about lanthanoids.
A
All lanthanoids are silvery white soft metals.
B
Many trivalent lanthanoid ions are coloured.
C
These are bad conductors of heat and electricity.
D
Hardness increases with increase in atomic number.
Solution:
Lanthanoids are good conductors of heat and electricity.