Alloys

Q.

Under which category does alloy fall?

1. An element

2. A mixture

3. An isomer

4. A metalloid

Q. Stainless steel is a very useful material for our life. In stainless steel, iron is mixed with:

1. Ni and Cr
2. Cu and Cr
3. Ni and Cu
4. Cu and Au

Q. What are the constituents of solder alloy?

1. Zinc and tin
2. Tin and iron
3. Lead and tin
4. Zinc and iron

Q. What is an amalgam? State its use with an example.