/6 Science Quiz (for 12 to 16 years old): Quiz 10 1 / 6Which of the following is the lightest metal? Silver Mercury Lead Lithium 2 / 6Bell metal is an alloy of nickel and copper zinc and copper brass and nickel tin and copper 3 / 6The main constituents of pearls are calcium carbonate and magnesium carbonate ammonium sulphate and sodium carbonate calcium oxide and ammonium chloride aragonite and conchiolin 4 / 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 5 / 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 6 / 6Which of the following is not an isotope of hydrogen? Tritium Deuterium Protium Yttrium Your score is 0% Restart quiz Next quiz Please rate the quiz Send feedback By WordPress Quiz plugin
