Which of the following is present in large quantity in alloy?
a) metal
b) non-metal
c) both
d) none of these
The metal which present in large quantity and is important constituent of an alloy is called…
a) main metal
b) base metal
c) trace metal
d) both a and b
The component of metal which is present in smaller quantity is called……
a) non-metal
b) metal
c) alloying agent
d) none of these
Which of the following is/are the characteristic/s of alloys?
a) alloys are stronger and harder as compare to pure metals
b) they are more resistant to corrosion
c) the conductivity of alloy is lower than pure metal
d) all of these
In which of the following, alloys are used?
a) ornaments
b) surgical instruments and utensils
c) aircrafts
d) all of these
Which of the following is/are alloy/s?
a) brass
b) bronze
c) cast iron
d) all of these