Chemistry Metals Non-metals and alloys Test 2 Welcome to your Chemistry Metals Non-metals and alloys Test 2 Name Email 1.Identify the alloy among the following of which lead is a component. (a) Alnico (b) Solder (c) Nickel (d) Constantan None 2. Which of the metals listed in the options is the least reactive? (a) Copper (b) Iron (c) Gold (d) Magnesium None 3.Which of the following minerals has kieserite as its ore? (a) Silver (b) Magnesium (c) Potassium (d) Iron None 4. Which of the following is a property of silicon dioxide? (a) It conducts electricity. (b) It is soft. (c) It is soluble in water. (d) It has a high melting point. None 5. Which of the following is a low-grade brown coal that is soft with high moisture content? (a) Bituminous (b) Anthracite (c) Peat (d) Lignite None 6. Due to which property of iron a piece of hot iron can be beaten into a knife? (a) malleability (b) lustrousness (c) ductility (d) sonority None 7.Which of the following statements is INCORRECT? (a) Pure metals have a shining surface. (b) Metals are good conductors of heat. (c) Metals have high melting points. (d) Lead and mercury are best conductors of heat None 8.Which one of the following features is NOT shown by metals? (a) Looks dull (b) Can be pounded into shape (c) Can be made into a wire (d) Conduct heat None 9.Which of the following statements about bromine is correct? (a) It is a metal. (b) It is a gas at room temperature. (c) It is a solid at room temperature. (d) It is a liquid at room temperature. None 10.Which of the following metals reacts with the moist carbon dioxide in the air and slowly loses its shiny brown surface and gains a green coat? (a) Silver (b) Iron (c) Zinc (d) Copper None 11.Which of the following is one of the metals used in LED semiconductor technology? (a) Iron (b) Copper (c) Gallium (d) Zinc None 12.Which of the following is NOT a metalloid? (a)Boron (b)Carbon (c)Arsenic (d)Silicon None 13.Which of the following elements is a metalloid? (a) Tin (b) Bismuth (c) Silicon (d)Phosphorus None 14.Which is the rarest element? (a) Astatine (b) Radon (c) Uranium (d) Lithium None 15.What is the symbol of Tin? (a) Sn (b) Si (c) Ta (d) Ti None 16.Which of the following is used as a substitute of mercury in thermometers? (a) Selenium (b) Arsenic (c) Bromine (d) Galinstan None 17.What is the chemical symbol of Arsenic? (a) Ar (b) An (c) As (d) Ac None 18.What is the Atomic Number of the element Einsteinium? (a) 99 (b) 98 (c) 101 (d) 100 None 19. What is the atomic weight of Lithium? (a) 9.012 amu, g/mol (b) 10.811 amu, g/mol (c) 003 amu, g/mol (d) 6.941 amu, g/mol None 20.Which of the following is an example of a pair of Isobars? (a) Chlorine and oxygen (b) Calcium and argon (c) Oxygen and carbon (d) Hydrogen and Helium None 21.Atomic number of copper is: (a) 23 (b) 25 (c) 28 (d) 29 None 22.Constantan is an alloy of copper and_____. (a)aluminium (b)tin (c)nickel (d)iron None 23.Protium, deuterium and tritium are the naturally occurring isotopes of: (a) carbon (b) hydrogen (c) nitrogen (d) gold None 24.Which among the following is a cation? (a)Ammonium (b)lodide (c)Fluoride (d)Chloride None 25.What is the atomic mass of Zirconium? (a) 91.22 (b) 90.22 (c) 88.22 (d) 89.22 None Time's up
