Directions (Qs. 41 to 44): Look at the following table and answer the following: The Importance of Rocks and Minerals
| Name | Type of Rock | Use |
| Basalt | Igneous | Used in road building |
| Calcite | Mineral | Used in cements and mortars. |
| Granite | Igneous | Used for building, monuments, and tombstones. |
| Marble | Metamorphic | Used In building, floors, tile in bathrooms. |
| Obsidian | Igneous | Used in making arrowheads and knives |
| Pumice | Igneous | Used in scouring, scrubbing, and polishing materials. |
| Quartz | Mineral | Used in making glass, electrical components, and optical lenses. |
| Sandstone | Sedimentary | Used in the building industry for house. |
| Slate | Metamorphic | Used for roofs, chalkboards. |
A) basalt
B) granite
C) marble
D) pumice
Correct Answer: C
Solution :
Marble is the metamorphic rock used for making buildings. While granite and sandstone can also be used for making buildings, but granite is an igneous rock and sandstone is a sedimentary rock.
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