41. Which one of the following is not a characteristic feature of alloys?
42. Galena is a mineral of
43. The iron ore which contains 72% of iron is :
44. Bauxite is an alloy of which of the following metals ?
45. Hard steel contains
46. The purest form of Iron is :
47. Which one of the following contains maximum percentage of carbon ?
48. Stainless steel is an alloy of
49. Iron is extracted from
50. Which is the purest form of iron?
Read More Section(Chemistry)
Each Section contains maximum 100 MCQs question on Chemistry. To get more questions visit other sections.