Metals and Non-metals Multiple Choice Questions and Answers

41. Haematite is an ore of

1. Fe
2. Zn
3. Cu
4. Al

42. Copper, which is extracted from cuprites, is a / an

1. Sulphide ore
2. Carbonate ore
3. Oxide ore
4. Halide ore

43. Which of the following is a carbonate ore of copper?

1. Cuprites
2. Pyrite
3. Copper glance
4. Malachite

44. Which of the following are the ores of zinc?

1. Calamine and zinc blend
2. Zinc blend and cerussite
3. Calomine and siderite
4. Zinc blend and carnallite

45. The metal extracted from limestone, marble and chalk is

1. Sodium
2. Calcium
3. Aluminum
4. Iron

46. A homogeneous solid solution of two or more metals is

1. Alloy
2. Allotrope
3. Isotope
4. Isobars

47. Extraction of copper is done from copper pyrite which contai small quantity of

1. Zinc
2. Iron
3. Sodium
4. Carbon

48. The alloy in which copper is a component is

1. Bronze
2. Steel
3. Solder
4. Nichrome

49. Copper and tin are components of

1. Brass
2. Invar
3. Bell metal
4. Alnico

50. The alloy which contains aluminum is

1. Nichrome
2. Type metal
3. Duralium
4. Gunmetal