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30258517
Acids and Bases
Description
A colourful mindmap explaining everything you need to know on acids, bases and indicators.
No tags specified
chemistry
science
acids
bases
core science
key stage 3
Mind Map by
Zac Gamble
, updated more than 1 year ago
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Created by
silviaod119
over 11 years ago
Copied by
Zac Gamble
over 3 years ago
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Resource summary
Acids and Bases
Acids
sharp, sour taste
<7 on pH scale
Sources
Vinegar-Ethanoic Acid
Citrus Fruits- Citric Acid
Carbonic Acid: Fizzy Drinks
Burn into clothes, metals and flesh
Annotations:
yep, it's true
Hydrochloric Acid (HCl)
Sulphuric Acid
Turns blue litmus red
Red in methyll orange
Bases
Mild Bases: Soap, Toothpaste
Sodium Hydroxide (NaOH) caustic soda
Alkali is a base soluble in water.
Turns red litmus blue
Yellow in methyll orange
<7 on pH scale
Strong = corrosive!
Indicators
Is a substance which tells you by means of a colour change, whether a substance is an acid or a base.
Methyll Orange
Universal Indicator
Litmus
Titration
Methyll Orange Indicator
Acid on top in burette, Base on bottom in conical flask
Hydrochloric Acid + Sodium Hydroxide = Sodium Chloride + Water
HCl + NaOH = NaCl + H2O
End point when indicator in conical flask turns orange
Solution in conical flask put in an evaporating basin and evaporated off
pH Scale
Ranges from 1-14
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