
General Knowledge : General Science QUESTIONS AND ANSWERS :: part1 : 41 to 45
Following General Knowledge Multiple choice objective type questions and answers will help you in TRB, SSC and UPSC 2024 examinations :
41.Which of the following metals forms an amalgam with other metals ? |
Lead |
Tin |
Zinc |
Mercury |
42.Diamond is an allotropic form of |
silicon |
caebon |
sulphur |
germanium |
43.The presence of which of the following salts in water causes corrosion in steam boilers ? |
Sodium chloride |
Magnesium chloride |
Calcium bicarbonate |
Potassium bicarbonate |
44.Which of the following is not a neutral oxide ? |
Carbon monoxide |
Sulphur dioxide |
Nitric oxide |
Water |
45.The ratio of pure gold in 18 carat gold is |
60% |
75% |
80% |
100% |
More General Science QUESTIONS AND ANSWERS available in next pages
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