General Knowledge Questions And Answers :: General Science: part1

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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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