REPAIRING TECHNIQUE - Quiz

1) What is the colour of the aluminium metal?

Yellow Redish Whitish grey Silvery white

2) Which ore produces lead metal?

Pyrites Bauxite Malchite Galena

3) What is the name of metal alloy of lead, tin, copper and antimony?

Bronze Gilding metal Babbitt metal Leaded bronze

4) What is the ratio of copper and zinc in 'Muntz metal'?

63:37:00 60:40:00 57:43:00 70:30:00

5) Which metal is extracted from bauxite ore?

Zinc Brass Copper Aluminium