/6 Science Quiz (for 12 to 16 years old): Quiz 10 1 / 6Which of the following is the lightest metal? Lithium Lead Silver Mercury 2 / 6Which of the following is not an isotope of hydrogen? Protium Deuterium Tritium Yttrium 3 / 6The main constituents of pearls are calcium oxide and ammonium chloride ammonium sulphate and sodium carbonate calcium carbonate and magnesium carbonate aragonite and conchiolin 4 / 6Bell metal is an alloy of nickel and copper brass and nickel tin and copper zinc and copper 5 / 6Water is a good solvent of ionic salts because It has no colour It has a high specific heat It has a high dipole moment It has a high boiling point 6 / 6Amalgams are alloys which have great resistance to abrasion alloys which contain carbon highly coloured alloys alloys which contain mercury as one of the contents Your score is 0% Restart quiz Next quiz Please rate the quiz Send feedback By WordPress Quiz plugin
