41. Which mineral is commonly used in the production of batteries?
a) Graphite
b) Calcite
c) Halite
d) Olivine
Answer: a) Graphite
42. Which mineral is commonly used in the production of ceramics?
a) Feldspar
b) Quartz
c) Calcite
d) Olivine
Answer: a) Feldspar
43. Which mineral is commonly used in the production of paint?
a) Gypsum
b) Calcite
c) Halite
d) Barite
Answer: b) Calcite
44. Which mineral is commonly used in the production of insulation?
a) Talc
b) Graphite
c) Calcite
d) Gypsum
Answer: a) Talc
45. Which mineral is commonly used in the production of jewelry?
a) Quartz
b) Feldspar
c) Corundum
d) Topaz
Answer: c) Corundum