General Knowledge - Chemistry - Discussion
Discussion Forum : Chemistry - Section 1 (Q.No. 8)
8.
The oldest rocks in the earth's crust were once molten, and came from deep inside the earth. The molten rock, called magma, spewed out in volcanic eruptions during the earth;s early life and solidified into hard rock's called
Discussion:
18 comments Page 2 of 2.
Sudhakeerthu said:
9 years ago
Igneous rocks is the correct answer. I agree.
Nitesh said:
8 years ago
Suppose our answer is C but sedimentary rocks are already hard.
Sharon said:
8 years ago
Why the sedimentary rocks is not correct?
Explain.
Explain.
Sandhya said:
8 years ago
Give an information about the formation of 3 types of rocks and differentiate forming processes.
(1)
Srikanth said:
7 years ago
C is the correct answer. I agree with the given answer.
Yemi said:
7 years ago
Please explain about granite and basalt.
Pratap said:
7 years ago
Extrusive igneous rocks cool and solidify quicker than intrusive igneous rocks. They are formed by cooling of molten magma on the earth surface. The magma, which is brought to the the surface through fissures or volcanic eruptions, solidified at a faster rate. That's the reason
(2)
Afe godstime said:
7 years ago
Please tell me, what is a volcanic eruption?
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