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प्रश्न
Fill in the blanks
______ rock contain a low percentage of silica and a high percentage of basic oxides.
उत्तर
Basic igneous rock contain a low percentage of silica and a high percentage of basic oxides.
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संबंधित प्रश्न
What is crust?
Classify the following rocks by selecting the correct option given below:
sandstone
Name any three elements of the earth’s crust.
What are Sills?
Mention any two chief characteristics of Sedimentary Rocks.
Name the three stages of lithification of Sedimentary rocks.
Which agents are responsible for deposition of sediments?
Describe how are igneous rocks formed? State their chief characteristics.
Give some examples of metamorphic rocks formed from sedimentary and igneous rocks.
Classify the following rock: Limestone
Give one word for the following.
Stratified rock formed organically but from vegetative matter-swamps and forests.
Give one word for the following.
Igneous rocks, which contain a low percentage of silica.
Give one term for the following statement:
Igneous rocks of deep seated origin.
Mention the types of rocks based on formation?
The types of rocks based on formation are
Rocks are classified into ______ types.
The two types of Intrusive Igneous rocks are ______.
Igneous Rocks are ______ rocks.
What are the characteristics of Sedimentary rocks?
Match the following.
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
Match the following:
| Group 'A' | Group 'B' | ||
| A. | Granite | 1. | Bedrock |
| B. | Soil layer | 2. | Plutonic rock |
| C. | Barren island | 3. | Strip farming |
| D. | Soil conservation | 4. | Active Volcano |
