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