Natural Minerals

56. Which mineral is used in the production of fertilizers?
a) Halite
b) Calcite
c) Bauxite
d) Gypsum

57. Which mineral is commonly used in insulation?
a) Calcite
b) Halite
c) Gypsum
d) Asbestos

58. Which mineral is used as a catalyst in the petroleum industry?
a) Quartz
b) Halite
c) Hematite
d) Molybdenite

59. Which mineral is commonly used in the production of batteries?
a) Hematite
b) Graphite
c) Bauxite
d) Calcite

60. Which mineral is the main source of phosphorus for plants?
a) Quartz
b) Halite
c) Apatite
d) Calcite