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11084094
CHEMISTRY Y8 - Reactions & Tests
Description
Year 7 CHEMISTRY Science Revision Mind Map on CHEMISTRY Y8 - Reactions & Tests, created by Charisse Villarino on 26/10/2017.
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chemistry science revision
year 7
Mind Map by
Charisse Villarino
, updated more than 1 year ago
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Created by
Charisse Villarino
over 6 years ago
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Resource summary
CHEMISTRY Y8 - Reactions & Tests
Neutralisation Reaction
Acid + Alkali > Salt + Water
H+ ions + OH- ions > H2O
Hydrochloric Acid + Lead Hydroxide > Lead Chloride + Water
Metal-Acid Reaction
Metal + Acid > Metal Salt + Hydrogen
Magnesium + Hydrochloric Acid > Magnesium Chloride + Hydrogen
Gas being produced - Violent fizzing
Temperature change - Bottom of test tube gets warmer
Metal Carbonate-Acid Reaction
Metal Carbonate + Acid > Metal Salt + Water + Carbon Dioxide
Zinc Carbonate + Sulfuric Acid > Zinc Sulfate + Water + Carbon Dioxide
Squeaky Pop Test
'Squeaky pop' sound is heard when a lit splint is placed in the presence of HYDROGEN GAS
Limewater Test
Turns cloudy/milky in the presence of CARBON DIOXIDE GAS
Complete Combustion
Hydrocarbon + Oxygen > Carbon Dioxide + Water
Enough oxygen for the fuel to burn completely
Incomplete Combustion
Hydrocarbon + Oxygen > Carbon Monoxide + Carbon + Water
NOT enough oxygen for the fuel to burn completely
Oxidation Reaction
Metal + Oxygen > Metal Oxide
Iron + Oxygen > Iron Oxide
Iron (solid) will rust reacting with oxygen
Magnesium + Oxygen > Magnesium Oxide
Magnesium (very hot) emits energy in the form of a bright white light
Magnesium Oxide - White brittle powder
Displacement Reaction
C + A compound > A + C compound
C joins B as it is a more reactive metal than A (displacing A in its compound)
Cobalt Chloride Paper Water Test
Cobalt chloride paper turns blue to pink when MOISTURE is added
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Screenshot 2017 11 01 At 14.31.30 (binary/octet-stream)
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