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