Which properties of chromium metal make it suitable for electroplating ?

What are the constituents of solder alloy ? Which property of solder makes it suitable for welding electrical wires ?

Draw a graph showing variation of resistivity with temperature of nichrome. Which property of nichrome is used to make standard resistance coils ?

Mention the two characteristic properties of the material suitable for making core of a transformer.

Define alloys. List the properties of alloys that make them useful over pure metals ? Explain this fact with suitable examples.

Which physical properties of metals are used in the following situations ? (i) Gold is used to make ornaments (ii) Nickel is used in strings of guitar.