/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 no colour It has a high boiling point 2 / 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 3 / 6Which of the following is not an isotope of hydrogen? Deuterium Protium Yttrium Tritium 4 / 6Bell metal is an alloy of zinc and copper tin and copper nickel and copper brass and nickel 5 / 6Which of the following is the lightest metal? Lithium Silver Lead Mercury 6 / 6The main constituents of pearls are aragonite and conchiolin calcium carbonate and magnesium carbonate ammonium sulphate and sodium carbonate calcium oxide and ammonium chloride Your score is 0% Restart quiz Next quiz Please rate the quiz Send feedback
