Chemistry Crossword 3.0 / 5 based on 1 rating ? ChemistryGCSEAQA Created by: EliseCreated on: 27-03-13 19:00 The type of hard water where you can't remove the ions from it. Permanent 1 of 23 The type of water where you can remove ions from the water. Temporarly 2 of 23 The measurement we measure energy in. Joules 3 of 23 What piece of equipment can we measure the amount of energy released with? Calorimeter 4 of 23 What are the chemicals you react together called? Reactants 5 of 23 What are the chemicals produced after the reaction? Products 6 of 23 The type of reaction where excess energy is left over as it's not all needed to make the product. Exothermic 7 of 23 The type of reaction where the products require more energy than there is. Endothermic 8 of 23 The energy needed to activate the reaction. ActivationEnergy 9 of 23 What will lower the activation energy to make the reaction quicker? Catalyst 10 of 23 What type of test do you do to detect positive ions? Flame 11 of 23 The colour lithium goes with the flame test Red 12 of 23 The colour calcium goes with the flame test BrickRed 13 of 23 The colour sodium goes with the flame test Orange 14 of 23 The colour barium goes with the flame test Green 15 of 23 The colour potassium goes with the flame test Lilac 16 of 23 The word for when a metal compound in a solution forms an insoluable solid Precipitate 17 of 23 What gas is yellow? Fluorine 18 of 23 What gas is green? Chlorine 19 of 23 What liquid is a browny colour? Bromine 20 of 23 Iodine is a... Solid 21 of 23 Another name for group 7 in the periodic table Halogens 22 of 23 What type of metals conduct electricity, form coloured compounds, are all hard and strong and are useful catalysts? Transition 23 of 23
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