Which is/are the important raw material(s) required in cement industry?
A). Gypsum and Clay
B). Clay
C). Limestone and Clay
D). Limestone
1. At high altitude, RBCs of human blood will
2. Mechanical tissues are very poorly developed in
4. The material used in solar cells contains
5. What is the unit for measuring the amplitude of a sound?
6. Which one of the following is an example of a gel ?
7. The most reactive among the halogens is
9. Table salt gets moist during rainy season because
10. An electron microscope gives higher magnification than an optical microscope because: