More than 95% of __________ is present in corundum.

Related Questions

1. Wood is a/an __________ material.
2. Closeness of packing is maximum in case of __________ crystal lattice.
3. __________ can replace tungsten in high speed steel.
4. Pick out the wrong statement
5. Identify the false statement
6. Particle nature of cathode rays is proved due to the fact that they
7. The escape velocity of a body on earth which is independent of its mass is about __________ km/second.
8. Resistance of an electrical conductor is proportional to its (where, l = length and A = cross-sectional…
9. The most abundant metal present in the earth's crust is;
10. During sensible heating of humid air
11. Direct conversion of thermal energy to electrical energy is facilitated by the
12. While the thermosetting polymers are amorphous in nature, the thermoplastic polymers are either amorphous…
13. The hardenability of steel decreases with
14. Dryness fraction of dry steam is
15. Atomic __________ is a whole number for an element.
16. Out of the following, the best material capable of withstanding shock & vibration without the danger…
17. Difference at any instant between the value of the controlled variable and the set point is called the
18. Pipelines carrying various utilities in chemical industries are identified by their colour codes. The…
19. Surface tension of a liquid
20. Nuclear fission of one atom of uranium-235 produces the energy equivalent to about __________ MeV.
21. Ammonia gas can be dried by
22. __________ cannot increase the fatigue strength of a material.
23. The efficiency of a Carnot heat engine operating between absolute temperatures T1 and T2 (when, T1 >…
24. Energy of the sun arises mainly from __________ reactions.
25. The heat of neutralisation remains constant, when there is a reaction between dilute solutions of strong
26. Corrosion of metals cannot be prevented by its
27. Lead is poured into the joints between two __________ pipes.
28. 'Amortization' in respect of financial obligation of a company means the
29. Vibration upto 100 kilo hertz can be most accurately measured by a __________ type accelerometer.
30. Oxyacetylene reducing flame is used while carrying out welding on

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