Question

1. The most commonly available mineral on the surface of the Earth is/are:
A. iron B. aluminium C. silicates D. sodium
2 Carbon is an/a
A. organic mineral
B. inorganic mineral
C. metallic mineral
D. none of the above
3. Limestone deposits are usually found in
A. metamorphic rocks
B. igneous rocks
C. sedimentary rocks
D. all of the above
4. Which continent is the world's largest producer of tin?
A. Asia B. Europe
C. North America D. Africa
5. The Ruhr Valley of Germany has rich deposits of
A. iron ore B.gold
C. copper D. coal
6.In India, gold is found in
A. Kolar ab. Kallar C. Kashmir D.Khandala
7. The chief petroleum producing country is:
A. Afghanistan B. Iran C. Russia D. Brazil

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Answer 1

Answer:

Minerals are everywhere! Figure 2.1 below shows some common household items and the minerals used to make them. The salt you sprinkle on food is the mineral halite. Silver in jewelry is also a mineral. Baseball bats and bicycle frames both contain minerals. Although glass is not a mineral, it is produced from the mineral quartz. Scientists have identified more than 4,000 minerals in Earth’s crust. A few are common, but many are uncommon.