TNPSC Group 1, 2 Chemistry Online Mock Test in English and Tamil - 1
Question: 1
The ratio between volume of pores to the total volume of rock is known as
(A) Permeability
(B) Pore space
(C) Porosity
(D) None of these
Ans: C
Porosity
Question: 2
A deep, steep walled V-shaped valley cut by a river through resistant rock is often called a
(A) Canyon
(B) Lake
(C) Depression
(D) None of these
Ans: A
Canyon
Question: 3
Rainwater dissolves carbon dioxide from the air and decaying plant and becomes
(A) Calcium
(B) Nitric acid
(C) Diluted carbonic acid
(D) None of these
Ans: C
Diluted carbonic acid
Question: 4
When magma flows on to the surface of the earth or floor of the ocean the type of rock that forms is called as
(A) Igneous
(B) Intrusive
(C) Extrusive
(D) None of these
Ans: C
Extrusive
Question: 5
A relatively flat, like surface is left behind by the receding cliff is called
(A) Wave-cut platform
(B) Sea cave
(C) Sea arch
(D) None of these
Ans: A
Wave-cut platform
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