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Download Topic 6: Making changes - Teachnet UK-home
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Making changes This is a product of the science department of Dartford Technology College Question 1 • Which food substance contains only the elements carbon, hydrogen and oxygen? • Protein • Fatty acids • Carbohydrates • Lipids Question 2 • Caustic soda is the common name for which alkaline chemical? • Sodium Hydroxide • Potassium Hydroxide • Lithium Hydroxide • Calcium Hydroxide Question 3 • What do we call the reaction in which water has been removed from a substance? • Hydration • Dehydration • Rehydration • Neutralisation Question 4 • What do we call a compound of a metal found naturally in a rock? • Oar • Awe • Ore • Or Question 5 • • • • • Give a term for the burning of a fuel? Evaporation Distillation Condensation Combustion Question 6 • A list of metals or non-metals in order of their ability to react? • Reactivity Series • Order of Reaction • Hierarchy of reaction • Reaction list Question 7 • What do we call the insoluble solid found at the bottom of a test tube after some chemical reactions? • Soluble • Precipitate • Waste • Gel Question 8 • What type of reaction is it when a substance has oxygen remove from it? • Reduction • Residue • Reflux • Resin Question 9 • Which of the following is produced in a neutralisation reaction? • Acid • Alkali • Salt • Carbon Question 10 • What do we call a weak acid found in oranges and lemons? • Formic acid • Ethanoic acid • Citric acid • Fructose Question 11 • What do we call a particle made from atoms joined together by chemical bonds? • Atom • Molecule • Neutron • Proton Question 12 • What type of reaction causes a substance to be broken down by heat energy? • Oxidation • Reduction • Displacement • Thermal Decomposition Question 13 • What device can we use to collect gases in a laboratory? • Hoover • Beaker • Gas syringe • Air pump Question 14 • A reaction where water is added to a substance is called? • Watering • Moisturising • Dampen • Hydration Question 15 • When you add more of a substance to make sure the reaction has gone to completion? • Sufficient • Excess • Insufficient • Inadequate Question 16 • A substance that does not dissolve is said to be? • Insatiable • Insoluble • Insolvable • Insolent Question 17 • The rocky outer layer of the Earth is called? • The Mantle • The Core • The Ground • The Crust Question 18 • If we are able to burn a substance it is called? • Inflammable • Flammable • Flame resistant • Flame Accelerant Question 19 • The starting substance for the manufacture of a particular chemical is called? • First material • Beginning product • First product • Starting material Question 20 • A method of collecting dense gases in a container? • Downward delivery • Upward delivery • Horizontal delivery • Glass delivery Congratulations • You have finally beaten the 20 question challenge on . Well done keep playing it’s the easiest way to learn. • If you wish to repeat the challenge click below. Oh dear • If you wish to try again click the button below.
