General Knowledge Questions And Answers :: General Science: part1

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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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