Which of the following is used for making magnets?
A) duralumin
B) magnalium
C) bronze
D) alnico
Correct Answer:
Verified
Q5: Aluminium is extracted from
A)hematite
B)bauxite
C)calamine
D)magnetite
Q6: Metallurgy is the process of
A)extracting metals from
Q7: A metal, which melts on the palm
A)potassium
B)sodium
C)gallium
D)zinc
Q8: A lustrous non-metal is
A)diamond
B)iodine
C)sulphur
D)phosphorus
Q9: Sodium is a
A)silvery white and very soft
Q11: What should be added to pure iron
Q12: The red or Orange coating that forms
Q13: The tip of the lead pencil is
Q14: The most abundant element in the sun's
Q15: Ordinary glass is a mixture of
A)sodium silicate,
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