/6 Science Quiz (for 12 to 16 years old): Quiz 11 1 / 6Potassium Permanganate is used for purifying drinking water, because it is an oxidising agent it is a reducing agent it dissolves the impurities of water it is a sterilising agent 2 / 6What is the name of instrument which is generally used to measure altitudes in aircraft’s? Altimeter Barometer 3 / 6What is the name of instrument which is used to calculate the power of electric circuit? Frequency Meter Wattmeter Voltmeter 4 / 6What is the name of instrument which is used to calculate depth of ocean? Manometer Fathometer Hydrometer 5 / 6Which of the following metals remain in liquid for under normal conditions? Zinc Radium Uranium Mercury 6 / 6What is the name of instrument which is use to determine atmospheric pressure? Hydrometer Altimeter Barometer Manometer Your score is 0% Restart quiz Next quiz Please rate the quiz Send feedback
