Q.1.
Bronze is an alloy made from...
Q.2.
Brass is an alloy made from...
Q.3.
Which type of steel is likely to be used for cutlery?
Q.4.
Metals are often mixed with other elements to make alloys. Which of the following is NOT a good reason for producing an alloy?
Q.5.
Gold that is used to make jewellery is usually an alloy. It is mixed with copper and silver. Apart from making it harder, what other property is changed by mixing it with other metals?
Q.6.
Nitinol is an alloy made from...
Q.7.
Bronze and cupronickel are both used to make coins. They are both examples of...
Q.8.
Nitinol is a 'smart' alloy. Why can it be described as a 'smart' alloy?
Q.9.
Iron is mixed with other elements including carbon, chrominium and nickel to make steel. The percentage of the elements added determine the type of steel and also the properties of the steel produced. Which type of steel is likely to be used to make cutting tools?
Q.10.
Some alloys have very special properties. They return to their original shape after becoming deformed. These alloys are called...