Metals and Non-metals Multiple Choice Questions and Answers

41. In the native state of metal, it is present

1. As a mixture with a metal
2. In free state
3. As a mixture with a nonmetal
4. As a mixture with a compound

42. Which of the following metal is present in native state?

1. Platinum
2. Iron
3. Potassium
4. Copper

43. Which of the following is called as noble metal?

1. Mercury
2. Gold
3. Lithium
4. Cesium

44. Which of the following statement is true?

1. All minerals are ores
2. All minerals are not ores
3. All ores are not minerals
4. Some ores are minerals

45. Haematite is an ore of

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

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

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

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

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

48. 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

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

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

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

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