Tardigrade
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Tardigrade
Question
Chemistry
Invar, an alloy of Fe and Ni is used in watches and meter scale. Its characteristic property is:
Q. Invar, an alloy of Fe and Ni is used in watches and meter scale. Its characteristic property is:
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KEAM
KEAM 2002
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A
small coefficient of expansion
B
resistance of corrosion
C
hardness and elasticity
D
resistance to wear
E
magnetic nature
Solution:
Invar, an alloy of Fe and Ni is used in watches and meter scale. Its characteristic property is small coefficient of expansion.