The ratio of pure gold in 18 carat gold is
1 60%
2 75%
3 80%
4 100%
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Which of the following metals react with nitrogen at room temperature to form nitride? 1 Sodium 2 Potassium 3 Magnesium 4 None of these
Brass gets discolored in air because of the presence of which of the following gases in air? 1 Carbon dioxide 2 Oxygen 3 Hydrogen sulphide 4 Nitrogen
iwant to learn robotics so how can iproceed
WHATE COLOUR OF STAR;SIZE;
According to Dalton’s atomic theory, the smallest particle which can exist independently is 1 An atom 2 A molecule 3 A cation 4 An anion
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When did the most luminous nova appear?
The National Earthquake Information Center has asked you to write a program implementing the following decision table to characterize an earthquake based on its Richter scale number. Richter Scale Number (n) Characterization n < 5.0 Little or no damage 5.0 ≤ n < 5.5 Some damage 5.5 ≤ n < 6.5 Serious damage: walls may crack or fall 6.5 ≤ n < 7.5 Disaster: houses and buildings may collapse Higher Catastrophe: most buildings destroyed Could you handle this problem with a switch statement? If so use a switch statement; if not explain why.
which of the following fibers is generally preferred for making gauze and lint? 1 Cotton 2 Rayon 3 Nylon 4 Terylene
what are the advantages of interrupt and exception?
The isotope of uranium capable of sustaining chain reactions is 1 U-235 2 U-238 3 U-239 4 None of these
The gas that usually causes explosions in coal mines is 1 Hydrogen 2 Carbon monoxide 3 Air 4 Methane