General Knowledge : General Science QUESTIONS AND ANSWERS :: part2 : 91 to 95
Following General Knowledge Multiple choice objective type questions and answers will help you in TRB, SSC and UPSC 2014 examinations :
91.Which of the following are nitrogeneous fertilisers ? 1. Calcium ammonium nitrate. 2. Urea 3. Calcium cyanamide 4. Superphosphate |
| 1 and 2 |
| 1 and 3 |
| 1, 2 and 3 |
| 1, 2, 3 and 4 |
92.Brass gets discoloured in air because of the presence of which of the following gases in air ? |
| Carbon dioxide |
| Oxygen |
| Hydrogen sulphide |
| Nitrogen |
93.Which of the following has the least pentrating power ? |
| Alpha particles |
| Beta particles |
| Gamma rays |
| All have the same pentrating power. |
94.Which gas is used for preparation of soda water ? |
| Ammonia |
| Carbon dioxide |
| Hydrogen |
| Nitric oxide |
95.Reaction of alcohol, with a carboxylic acid is known as |
| Subsitution Reaction |
| Addition Reaction |
| Esterification |
| Hydrogenation |
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