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Mohs hardness of quarts is 7, wheras Moh's hardness of glass is:

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Important Questions on Rocks and Minerals

EASY
Science>Chemistry>Rocks and Minerals>Minerals

Write the quadrants in which the following points lie:

-4,7

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Science>Chemistry>Rocks and Minerals>Minerals
Identify the following picture and write the name of the rock from which it is made.
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Science>Chemistry>Rocks and Minerals>Minerals
How are metamorphic rocks formed?
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Science>Chemistry>Rocks and Minerals>Minerals
Name two hard rocks.
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Science>Chemistry>Rocks and Minerals>Minerals
Identify the following picture and write the name of the rock from which it is made.
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Science>Chemistry>Rocks and Minerals>Minerals
Write two examples of metamorphic rocks.
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Science>Chemistry>Rocks and Minerals>Minerals
Give one use of each — metamorphic, igneous and sedimentary rocks.
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Science>Chemistry>Rocks and Minerals>Minerals
Which of these is an igneous rock?
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Science>Chemistry>Rocks and Minerals>Minerals
Identify the following picture and write the name of the rock from which it is made.
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Science>Chemistry>Rocks and Minerals>Minerals
Name three types of rocks.
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Science>Chemistry>Rocks and Minerals>Minerals
Basalt rocks are also called:
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Science>Chemistry>Rocks and Minerals>Minerals
The rock that is formed when limestone undergoes change is ______.
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Science>Chemistry>Rocks and Minerals>Minerals
What are igneous rocks? Write three types of igneous rocks.
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Science>Chemistry>Rocks and Minerals>Minerals

A rock commonly used in ceramic industries:

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Science>Chemistry>Rocks and Minerals>Minerals
Granite is white.
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Science>Chemistry>Rocks and Minerals>Minerals
Write two examples of sedimentary rocks.
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Science>Chemistry>Rocks and Minerals>Minerals
Obsidian is made of solidified clay and is used in making bricks and cement.
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Science>Chemistry>Rocks and Minerals>Minerals
Shale comes from slate.
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Science>Chemistry>Rocks and Minerals>Minerals
What is magma?
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Science>Chemistry>Rocks and Minerals>Minerals
The igneous rock that is formed when magma cools down slowly is _____.