Major Islands and Minerals of the World Questions and Answers

Correct Answer: Option D — Mica. Mica is correct because it is valued as an electrical and thermal insulator. Mica is also associated with a sheet silicate mineral group. A further identifying fact is that Mica is valued as an electrical and thermal insulator. Another useful fact is that Mica is associated with a sheet silicate mineral group. Why the other options are incorrect: Option A — Greenland: It is the world's largest island that is not a continent and is associated with located between the Arctic and North Atlantic oceans; those are the identifying facts of Greenland. Option B — New Guinea: It is politically divided between Indonesia and Papua New Guinea and is associated with located north of Australia in the western Pacific; those are the identifying facts of New Guinea. Option C — Borneo: It is shared by Indonesia, Malaysia and Brunei and is associated with located in Southeast Asia; those are the identifying facts of Borneo. Exam Takeaway: Link Mica with “valued as an electrical and thermal insulator” and “a sheet silicate mineral group” for quick revision.

Correct Answer: Option C — Mica. Mica is correct because it is a sheet silicate mineral group. Mica is also associated with valued as an electrical and thermal insulator. A further identifying fact is that Mica is a sheet silicate mineral group. Another useful fact is that Mica is associated with valued as an electrical and thermal insulator. Why the other options are incorrect: Option A — Greenland: It is located between the Arctic and North Atlantic oceans and is associated with the world's largest island that is not a continent; those are the identifying facts of Greenland. Option B — New Guinea: It is located north of Australia in the western Pacific and is associated with politically divided between Indonesia and Papua New Guinea; those are the identifying facts of New Guinea. Option D — Borneo: It is located in Southeast Asia and is associated with shared by Indonesia, Malaysia and Brunei; those are the identifying facts of Borneo. Exam Takeaway: Link Mica with “a sheet silicate mineral group” and “valued as an electrical and thermal insulator” for quick revision.

Correct Answer: Option B — Gypsum. Gypsum is correct because it is used in plaster and cement manufacture. Gypsum is also associated with a hydrated calcium sulphate mineral. A further identifying fact is that Gypsum is used in plaster and cement manufacture. Another useful fact is that Gypsum is associated with a hydrated calcium sulphate mineral. Why the other options are incorrect: Option A — Mica: It is valued as an electrical and thermal insulator and is associated with a sheet silicate mineral group; those are the identifying facts of Mica. Option C — Greenland: It is the world's largest island that is not a continent and is associated with located between the Arctic and North Atlantic oceans; those are the identifying facts of Greenland. Option D — New Guinea: It is politically divided between Indonesia and Papua New Guinea and is associated with located north of Australia in the western Pacific; those are the identifying facts of New Guinea. Exam Takeaway: Link Gypsum with “used in plaster and cement manufacture” and “a hydrated calcium sulphate mineral” for quick revision.

Correct Answer: Option A — Gypsum. Gypsum is correct because it is a hydrated calcium sulphate mineral. Gypsum is also associated with used in plaster and cement manufacture. A further identifying fact is that Gypsum is a hydrated calcium sulphate mineral. Another useful fact is that Gypsum is associated with used in plaster and cement manufacture. Why the other options are incorrect: Option B — Mica: It is a sheet silicate mineral group and is associated with valued as an electrical and thermal insulator; those are the identifying facts of Mica. Option C — Greenland: It is located between the Arctic and North Atlantic oceans and is associated with the world's largest island that is not a continent; those are the identifying facts of Greenland. Option D — New Guinea: It is located north of Australia in the western Pacific and is associated with politically divided between Indonesia and Papua New Guinea; those are the identifying facts of New Guinea. Exam Takeaway: Link Gypsum with “a hydrated calcium sulphate mineral” and “used in plaster and cement manufacture” for quick revision.

Correct Answer: Option D — Pyrolusite. Pyrolusite is correct because it is mainly manganese dioxide, MnO2. Pyrolusite is also associated with an important ore of manganese. A further identifying fact is that Pyrolusite is mainly manganese dioxide, MnO2. Another useful fact is that Pyrolusite is associated with an important ore of manganese. Why the other options are incorrect: Option A — Gypsum: It is used in plaster and cement manufacture and is associated with a hydrated calcium sulphate mineral; those are the identifying facts of Gypsum. Option B — Mica: It is valued as an electrical and thermal insulator and is associated with a sheet silicate mineral group; those are the identifying facts of Mica. Option C — Greenland: It is the world's largest island that is not a continent and is associated with located between the Arctic and North Atlantic oceans; those are the identifying facts of Greenland. Exam Takeaway: Link Pyrolusite with “mainly manganese dioxide, MnO2” and “an important ore of manganese” for quick revision.

Correct Answer: Option C — Pyrolusite. Pyrolusite is correct because it is an important ore of manganese. Pyrolusite is also associated with mainly manganese dioxide, MnO2. A further identifying fact is that Pyrolusite is an important ore of manganese. Another useful fact is that Pyrolusite is associated with mainly manganese dioxide, MnO2. Why the other options are incorrect: Option A — Gypsum: It is a hydrated calcium sulphate mineral and is associated with used in plaster and cement manufacture; those are the identifying facts of Gypsum. Option B — Mica: It is a sheet silicate mineral group and is associated with valued as an electrical and thermal insulator; those are the identifying facts of Mica. Option D — Greenland: It is located between the Arctic and North Atlantic oceans and is associated with the world's largest island that is not a continent; those are the identifying facts of Greenland. Exam Takeaway: Link Pyrolusite with “an important ore of manganese” and “mainly manganese dioxide, MnO2” for quick revision.

Correct Answer: Option B — Chromite. Chromite is correct because it is important for stainless steel and alloy production. Chromite is also associated with the principal ore of chromium. A further identifying fact is that Chromite is important for stainless steel and alloy production. Another useful fact is that Chromite is associated with the principal ore of chromium. Why the other options are incorrect: Option A — Pyrolusite: It is mainly manganese dioxide, MnO2 and is associated with an important ore of manganese; those are the identifying facts of Pyrolusite. Option C — Gypsum: It is used in plaster and cement manufacture and is associated with a hydrated calcium sulphate mineral; those are the identifying facts of Gypsum. Option D — Mica: It is valued as an electrical and thermal insulator and is associated with a sheet silicate mineral group; those are the identifying facts of Mica. Exam Takeaway: Link Chromite with “important for stainless steel and alloy production” and “the principal ore of chromium” for quick revision.

Correct Answer: Option A — Chromite. Chromite is correct because it is the principal ore of chromium. Chromite is also associated with important for stainless steel and alloy production. A further identifying fact is that Chromite is the principal ore of chromium. Another useful fact is that Chromite is associated with important for stainless steel and alloy production. Why the other options are incorrect: Option B — Pyrolusite: It is an important ore of manganese and is associated with mainly manganese dioxide, MnO2; those are the identifying facts of Pyrolusite. Option C — Gypsum: It is a hydrated calcium sulphate mineral and is associated with used in plaster and cement manufacture; those are the identifying facts of Gypsum. Option D — Mica: It is a sheet silicate mineral group and is associated with valued as an electrical and thermal insulator; those are the identifying facts of Mica. Exam Takeaway: Link Chromite with “the principal ore of chromium” and “important for stainless steel and alloy production” for quick revision.

Correct Answer: Option D — Cassiterite. Cassiterite is correct because it is a tin oxide mineral with formula SnO2. Cassiterite is also associated with the principal ore of tin. A further identifying fact is that Cassiterite is a tin oxide mineral with formula SnO2. Another useful fact is that Cassiterite is associated with the principal ore of tin. Why the other options are incorrect: Option A — Chromite: It is important for stainless steel and alloy production and is associated with the principal ore of chromium; those are the identifying facts of Chromite. Option B — Pyrolusite: It is mainly manganese dioxide, MnO2 and is associated with an important ore of manganese; those are the identifying facts of Pyrolusite. Option C — Gypsum: It is used in plaster and cement manufacture and is associated with a hydrated calcium sulphate mineral; those are the identifying facts of Gypsum. Exam Takeaway: Link Cassiterite with “a tin oxide mineral with formula SnO2” and “the principal ore of tin” for quick revision.

Correct Answer: Option C — Cassiterite. Cassiterite is correct because it is the principal ore of tin. Cassiterite is also associated with a tin oxide mineral with formula SnO2. A further identifying fact is that Cassiterite is the principal ore of tin. Another useful fact is that Cassiterite is associated with a tin oxide mineral with formula SnO2. Why the other options are incorrect: Option A — Chromite: It is the principal ore of chromium and is associated with important for stainless steel and alloy production; those are the identifying facts of Chromite. Option B — Pyrolusite: It is an important ore of manganese and is associated with mainly manganese dioxide, MnO2; those are the identifying facts of Pyrolusite. Option D — Gypsum: It is a hydrated calcium sulphate mineral and is associated with used in plaster and cement manufacture; those are the identifying facts of Gypsum. Exam Takeaway: Link Cassiterite with “the principal ore of tin” and “a tin oxide mineral with formula SnO2” for quick revision.