Major Islands and Minerals of the World Questions and Answers – Page 2

Correct Answer: Option B — Sphalerite. Sphalerite is correct because it is a zinc sulphide mineral. Sphalerite is also associated with the principal ore of zinc. A further identifying fact is that Sphalerite is a zinc sulphide mineral. Another useful fact is that Sphalerite is associated with the principal ore of zinc. Why the other options are incorrect: Option A — Cassiterite: It is a tin oxide mineral with formula SnO2 and is associated with the principal ore of tin; those are the identifying facts of Cassiterite. Option C — 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 D — Pyrolusite: It is mainly manganese dioxide, MnO2 and is associated with an important ore of manganese; those are the identifying facts of Pyrolusite. Exam Takeaway: Link Sphalerite with “a zinc sulphide mineral” and “the principal ore of zinc” for quick revision.

Correct Answer: Option A — Sphalerite. Sphalerite is correct because it is the principal ore of zinc. Sphalerite is also associated with a zinc sulphide mineral. A further identifying fact is that Sphalerite is the principal ore of zinc. Another useful fact is that Sphalerite is associated with a zinc sulphide mineral. Why the other options are incorrect: Option B — Cassiterite: It is the principal ore of tin and is associated with a tin oxide mineral with formula SnO2; those are the identifying facts of Cassiterite. Option C — 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 D — Pyrolusite: It is an important ore of manganese and is associated with mainly manganese dioxide, MnO2; those are the identifying facts of Pyrolusite. Exam Takeaway: Link Sphalerite with “the principal ore of zinc” and “a zinc sulphide mineral” for quick revision.

Correct Answer: Option D — Galena. Galena is correct because it is a lead sulphide mineral with formula PbS. Galena is also associated with the principal ore of lead. A further identifying fact is that Galena is a lead sulphide mineral with formula PbS. Another useful fact is that Galena is associated with the principal ore of lead. Why the other options are incorrect: Option A — Sphalerite: It is a zinc sulphide mineral and is associated with the principal ore of zinc; those are the identifying facts of Sphalerite. Option B — Cassiterite: It is a tin oxide mineral with formula SnO2 and is associated with the principal ore of tin; those are the identifying facts of Cassiterite. Option C — 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. Exam Takeaway: Link Galena with “a lead sulphide mineral with formula PbS” and “the principal ore of lead” for quick revision.

Correct Answer: Option C — Galena. Galena is correct because it is the principal ore of lead. Galena is also associated with a lead sulphide mineral with formula PbS. A further identifying fact is that Galena is the principal ore of lead. Another useful fact is that Galena is associated with a lead sulphide mineral with formula PbS. Why the other options are incorrect: Option A — Sphalerite: It is the principal ore of zinc and is associated with a zinc sulphide mineral; those are the identifying facts of Sphalerite. Option B — Cassiterite: It is the principal ore of tin and is associated with a tin oxide mineral with formula SnO2; those are the identifying facts of Cassiterite. Option D — 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. Exam Takeaway: Link Galena with “the principal ore of lead” and “a lead sulphide mineral with formula PbS” for quick revision.

Correct Answer: Option B — Chalcopyrite. Chalcopyrite is correct because it is a copper iron sulphide mineral. Chalcopyrite is also associated with a major ore of copper. A further identifying fact is that Chalcopyrite is a copper iron sulphide mineral. Another useful fact is that Chalcopyrite is associated with a major ore of copper. Why the other options are incorrect: Option A — Galena: It is a lead sulphide mineral with formula PbS and is associated with the principal ore of lead; those are the identifying facts of Galena. Option C — Sphalerite: It is a zinc sulphide mineral and is associated with the principal ore of zinc; those are the identifying facts of Sphalerite. Option D — Cassiterite: It is a tin oxide mineral with formula SnO2 and is associated with the principal ore of tin; those are the identifying facts of Cassiterite. Exam Takeaway: Link Chalcopyrite with “a copper iron sulphide mineral” and “a major ore of copper” for quick revision.

Correct Answer: Option A — Chalcopyrite. Chalcopyrite is correct because it is a major ore of copper. Chalcopyrite is also associated with a copper iron sulphide mineral. A further identifying fact is that Chalcopyrite is a major ore of copper. Another useful fact is that Chalcopyrite is associated with a copper iron sulphide mineral. Why the other options are incorrect: Option B — Galena: It is the principal ore of lead and is associated with a lead sulphide mineral with formula PbS; those are the identifying facts of Galena. Option C — Sphalerite: It is the principal ore of zinc and is associated with a zinc sulphide mineral; those are the identifying facts of Sphalerite. Option D — Cassiterite: It is the principal ore of tin and is associated with a tin oxide mineral with formula SnO2; those are the identifying facts of Cassiterite. Exam Takeaway: Link Chalcopyrite with “a major ore of copper” and “a copper iron sulphide mineral” for quick revision.

Correct Answer: Option D — Hematite. Hematite is correct because it is an iron oxide with the formula Fe2O3. Hematite is also associated with an important ore of iron. A further identifying fact is that Hematite is an iron oxide with the formula Fe2O3. Another useful fact is that Hematite is associated with an important ore of iron. Why the other options are incorrect: Option A — Chalcopyrite: It is a copper iron sulphide mineral and is associated with a major ore of copper; those are the identifying facts of Chalcopyrite. Option B — Galena: It is a lead sulphide mineral with formula PbS and is associated with the principal ore of lead; those are the identifying facts of Galena. Option C — Sphalerite: It is a zinc sulphide mineral and is associated with the principal ore of zinc; those are the identifying facts of Sphalerite. Exam Takeaway: Link Hematite with “an iron oxide with the formula Fe2O3” and “an important ore of iron” for quick revision.

Correct Answer: Option C — Hematite. Hematite is correct because it is an important ore of iron. Hematite is also associated with an iron oxide with the formula Fe2O3. A further identifying fact is that Hematite is an important ore of iron. Another useful fact is that Hematite is associated with an iron oxide with the formula Fe2O3. Why the other options are incorrect: Option A — Chalcopyrite: It is a major ore of copper and is associated with a copper iron sulphide mineral; those are the identifying facts of Chalcopyrite. Option B — Galena: It is the principal ore of lead and is associated with a lead sulphide mineral with formula PbS; those are the identifying facts of Galena. Option D — Sphalerite: It is the principal ore of zinc and is associated with a zinc sulphide mineral; those are the identifying facts of Sphalerite. Exam Takeaway: Link Hematite with “an important ore of iron” and “an iron oxide with the formula Fe2O3” for quick revision.

Correct Answer: Option B — Bauxite. Bauxite is correct because it is commonly forms by intense weathering in tropical regions. Bauxite is also associated with the principal ore of aluminium. A further identifying fact is that Bauxite is commonly forms by intense weathering in tropical regions. Another useful fact is that Bauxite is associated with the principal ore of aluminium. Why the other options are incorrect: Option A — Hematite: It is an iron oxide with the formula Fe2O3 and is associated with an important ore of iron; those are the identifying facts of Hematite. Option C — Chalcopyrite: It is a copper iron sulphide mineral and is associated with a major ore of copper; those are the identifying facts of Chalcopyrite. Option D — Galena: It is a lead sulphide mineral with formula PbS and is associated with the principal ore of lead; those are the identifying facts of Galena. Exam Takeaway: Link Bauxite with “commonly forms by intense weathering in tropical regions” and “the principal ore of aluminium” for quick revision.

Correct Answer: Option A — Bauxite. Bauxite is correct because it is the principal ore of aluminium. Bauxite is also associated with commonly forms by intense weathering in tropical regions. A further identifying fact is that Bauxite is the principal ore of aluminium. Another useful fact is that Bauxite is associated with commonly forms by intense weathering in tropical regions. Why the other options are incorrect: Option B — Hematite: It is an important ore of iron and is associated with an iron oxide with the formula Fe2O3; those are the identifying facts of Hematite. Option C — Chalcopyrite: It is a major ore of copper and is associated with a copper iron sulphide mineral; those are the identifying facts of Chalcopyrite. Option D — Galena: It is the principal ore of lead and is associated with a lead sulphide mineral with formula PbS; those are the identifying facts of Galena. Exam Takeaway: Link Bauxite with “the principal ore of aluminium” and “commonly forms by intense weathering in tropical regions” for quick revision.