Metals Non-metals and alloysTest 2 Welcome to your Metals Non-metals and alloysTest 2 Name Email How many types of isotopes does Scandium have? (a) 7 (b) 13 (c) 10 (d) 9 None Name the only metal that is antibacterial. (a) Sodium (b) Copper (c) Iron (d) Aluminium None Which of the following is NOT a compound? (a) Sodium chloride (b) Carbon monoxide (c) Iron (d) Water None Which of the following is NOT a noble gas? (a) Neon (b) Hydrogen (c) Helium (d) Argo None Which mineral is also known as ‘fool’s gold’? (a) Quartz (b) Magnetite (c) Pyrite (d) Fluorite None Which of the following metals in pure form has the highest melting point? (a) Tungsten (b) Copper (c) Platinum (d) Gold None _______ gas gives an orange glow when electricity is passed through it. It is generally used in fluorescent lighting. (a)Nitrogen (b)Hydrogen (c)Neon (d)Oxygen None Talonite is a combination of cobalt and _______. (a)chromium (b)zinc (c)copper (d)iron None Which of the following is not used in the manufacturing of stainless steel? (a)Carbon (b)Sulphur (c)Nickel (d)Chromium None Which metal was earlier called Wolfram ? (a)Tungsten (b)Molybdenum (c)Zinc (d)Radium None Which of the following is a metal ? (a)Sulphur (b)Iodine (c)Iron (d)Carbon None What is the colour of copper sulphate ? (a) Colourless (b) Blue (c) Black (d) Red None Arrange the following metals in the decreasing order of reactivity : (a)Iron > sodium > silver > gold (b)Sodium > silver > iron > gold (c)Gold > silver > iron (d)Sodium > iron > silver > gold None What is the chemical symbol of Gold? (a)Mg (b)Hg (c)Ag (d)Au None Which of the following elements found in water is responsible for cancer? (a) Arsenic (b) Iron (c)Chlorine (d)Fluorine None Which of the following gases is used for anesthesia ? (a)Xenon (b)Argon (c)Neon (d)Helium None Which of the following gases causes explosions in coal mines? (a)Carbon dioxide (b)Nitrogen (c)Butane (d)Metha None Brass is an alloy of (a)zinc and iron (b)lead and copper (c)iron and lead (d)copper and zi None Which of the following elements/chemical compounds has the highest density? (a) Mercury (b) Osmium (c) Zinc (d) Nickel None Which element is used to make the coils used in water heaters? (a) Copper (b) Nichrome (c) A mixture of aluminium and copper (d)A mixture of iron and steel None Iron boils at about____degree Celius. (a)3182 (b)2181 (c)2861 (d)3861 None At what temperature does iron melt? (a)1538°C (b)1683°C (c)1583°C (d)1638°C None Which of the following metals is the most reactive metal? (a) Copper (b) Calcium (c) Iron (d) Zinc None Time's up
