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