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KS3 Chemical Reactions

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    gas tests, chemical symbols, chemical reactions, endothermic, exothermic
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  • What is the test for oxygen?
    Glowing splint
    Damp litmus paper
    Limewater turns milky white
    Burning splint
  •  15
  • What is the test for carbon dioxide?
    Burning splint
    Bubble through limewater
    Damp litmus paper
    Lit splint
  •  15
  • What is the test for chlorine?
    Bubble through limewater
    Damp litmus paper
    Burning splint
    Lit splint
  •  15
  • What is the test for hydrogen?
    Glowing splint
    Damp litmus paper
    Lit splint
    Bubbling through limewater
  •  15
  • What is the positive result when testing for chlorine?
    Damp litmus paper is bleached white
    Squeaky pop
    Limewater turns milky white
    Splint relights
  •  15
  • What is the positive result when testing for hydrogen?
    Damp litmus paper bleached white
    Squeaky pop
    Limewater turns milky white
    Splint relights
  •  15
  • What is the positive result when testing for oxygen?
    Splint relights
    Damp litmus paper bleached white
    Squeaky pop
    Limewater turns milky white
  •  15
  • What is the symbol for copper?
    Zn
    Cu
    Al
    Fe
  •  15
  • What is the symbol for magnesium?
    Mg
    O
    Cu
    Zn
  •  15
  • What is the symbol for gold?
    Fe
    Zn
    Au
    Pb
  •  15
  • What is the symbol for lithium?
    Li
    He
    H
    O
  •  15
  • How many atoms in NaOH?
    3
    2
    1
    4
  •  15
  • How many atoms in NaCl?
    3
    1
    4
    2
  •  15
  • How many atoms in one molecule of water?
    1
    4
    2
    3
  •  15
  • Magnesium reacts with oxygen to produce magnesium oxide. Identify the reactants.
    Magnesium
    Oxygen
    Magnesium and oxygen
    Magnesium Oxide
  •  15
  • Copper reacts with oxygen to produce...
    Copper oxate
    Oxicopperdide
    Copper and oxygen
    Copper oxide
  •  15