Materials
Seventh mineral in Moh’s hardness scale is 7
(a) Topaz (b) Corundum (c) Quartz (d) Apatite Ans :- (c) Quartz Explanation :- The seventh minerals Moh’s hardness Quartz. ...
The sub-classification of sedimentary rocks
(a) volcanic and plutonic (b) mechanical, chemical, organic (c) intrusive, extrusive (d) stratified, un-stratified Ans :- (b) mechanical, chemical, organic ...
Slate and marble stone belong to
(a) Igneous rocks (b) Metamorphic rocks (c) Sedimentary rocks (d) Foliated rocks Ans :- (b) Metamorphic rocks Explanation :- Metamorphic ...
____is an example for metamorphic rock
(a) Granite (b) Marble (c) Sand stone (d) Lime stone Ans : – (b) Marble Explanation :- Marble is an ...
Which of the following is an example of stratified rocks?
(a) Sedimentary rock (b) Metamorphic rock (c) Burned clay brick (d) Igneous rock Ans : – (a) Sedimentary rock Explanation:- ...
Granite is mainly composed of
(a) quartz and mica only (b) felspar and mica only (c) quartz and felspar only (d) quartz, felspar and mica ...
Which of the following rock is an Igneous rock?
(a) Limestone (b) Marble (c) Rhyolite ...
Gneiss is chemically classified as a/an
(a) Aqueous rock (b) Sedimentary rock (c) Metamorphic rock (d) Siliceous rock Ans :- (d) Siliceous rock Explanation:- Rock Classification ...
Portland pozzolana cement has strength as compared to ordinary Portland cement is
A. Same B. More C. Less D. Very much less


