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