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Question
State two points of distinction between rocks and minerals.
Solution
| Rocks | Minerals |
| Rocks contain minerals. | Minerals do not contain rocks. |
| Rocks are the aggregates of minerals and other rock material. | Mineral are the compounds of pure elements with a definite chemical Composition. |
| Three chief types of rocks are Igneous, Sedimentary and Metamorphic. | Four chief mineral groups are silicates, carbonates, sulphides and metallic minerals. |
| Example: granite, sandstone, slate and quartz | Example: Iron, silicon, magnesium, nickel, calcium, potassium, sodium |
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