Metals and Non-metals Multiple Choice Questions and Answers

51. Aluminum bronze is made up of

1. Al, Cu, Mn
2. Fe, Al, Ni
3. Al, Cu, Ni
4. Al, Cu

52. An alloy of Al and Mg is

1. Duralumin
2. T – metal
3. Alnico
4. Magnalium

53. Which of the following is not a property of aluminum?

1. Good conductor of heat and electricity
2. It is malleable
3. It is heavy
4. It is ductile

54. The metal which is soft?

1. Na
2. Pb
3. Al
4. Cu

55. The metal with the lowest density from the following is

1. Mg
2. Li
3. Ag
4. Au

56. The metal which is liquid at room temperature is

1. Hg
2. Mg
3. Ag
4. Mn

57. Tungsten is used in electric bulbs because

1. It is sonorous
2. It is metallic
3. It has high tensile strength
4. It has high density

58. The nonmetal which is a good conductor of electricity is

1. Silicon
2. Sulphur
3. Graphite
4. Phosphorous

59. Metals combine with oxygen to form _______ oxides.

1. Acidic
2. Basic
3. Amphoteric
4. None

60. Metals react with water to form oxides or hydroxides and ___

1. Hydrogen
2. Oxygen
3. Carbon dioxide
4. Carbon monoxide