General Knowledge : General Science QUESTIONS AND ANSWERS :: part1 : 81 to 85
Following General Knowledge Multiple choice objective type questions and answers will help you in TRB, SSC and UPSC 2024 examinations :
81.Emerald is .......... in colour. |
| violet |
| yellow |
| deep green |
| Prussian blue |
82.Stainless steel is an alloy of |
| iron, carbon and nickel |
| iron and manganese |
| iron, chrominum and zinc |
| iron, chrominum and nickel |
83.Permanent hardness of water can be removed by adding |
| potassium permanganate |
| chlorine |
| bleaching powder |
| washing soda |
84.Which of the following is the best conductor of electricity ? |
| Zinc |
| Copper |
| Gold |
| Silver |
85.Washing soda is the common name for |
| Calcium carbonate |
| Calcium bicarbonate |
| Sodium carbonate |
| Sodium bicarbonate |
More General Science QUESTIONS AND ANSWERS available in next pages
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