Question

i) _________ made of silicon and alumina.
ii) _______ is the innermost layer of the earth
iii) _________ used for making roads and buildings
iv) ________ changes into slate
v) ________ has definite chemical composition.​

Answer 1

Answer:

I) Aluminium silicate

ii)Core

iii)cement ,concrete, pavement

iv) Metamorphic rock

v) Mineral

Explanation:

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Answer 2

Answer:

1. aluminium silicate

2.core

3. rocks and soil and mineral

4. metamorphic

5. minerals

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