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Acids and bases (Saanjali) - Coggle Diagram
Acids and bases (Saanjali)
Acids
Citric acid
Found in citrus fruits
Tannic acid
Found in tea
Ethanoic acid
Found in vinegar
Lactic acid
Found in dairy products
Malic acid
Found in apples
Sulfuric acid
Hydrochloric acid
Nitric acid
Properties
Sour taste
Turn blue litmus paper red
pH value less than 7
Corrosive
Conduct electricity
React with metals, carbonates and bases/alkalis
Chemical reactions
Metals
Salt + hydrogen
Carbonates
Water + carbon dioxide
Bases/alkalis
Salt + water
Use of acids
Bases
Sodium oxide
Copper(ll) oxide
Zinc oxide
Iron(ll) oxide
Calcium oxide
Can be found in soaps, detergents, window cleaners and indigestion tablets
Alkalis
Properties
Bitter taste
Slippery or soapy feel
Turn red litmus paper blue
Corrosive
Conduct electricity
Neutralisation reaction
pH value above 7
Calcium hydroxide
Neutralise excess acid in soil
Aluminium hydroxide
Antacid
Magnesium hydroxide
Antacid and making toothpaste
Sodium hydroxide
Floor and oven-cleaners and making soaps and detergents
Ammonia
Window cleaning solutions
Difference between bases and alkalis
Dissolves in water
Alkali (hydroxide)
Cannot dissolve in water
Base (oxide)