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ACIDS & BASES (General Equations (METAL HYDROXIDE + ACID --> METAL…
ACIDS & BASES
General Equations
METAL HYDROXIDE + ACID --> METAL SALT + WATER
METAL CARBONATE + ACID --> METAL SALT + WATER + CARBONDIOXIDE
METAL BICARBONATE + ACID --> METAL SALT + WATER + CARBONDOXIDE
METAL + WATER --> METAL HYDROXIDE
METAL + ACID --> METAL SALT + HYDROGEN
METAL + OXYGEN --> METAL OXIDE
Universal Indicator Colours & pH
RED pH 1 - 3 Strong Acid
YELLOW pH 4 - 6 Weak Acid
GREEN pH 7 Neutral
BLUE pH 8 - 10 Weak Base
PURPLE pH 11 -14 Strong Base
Three General Acids
HYDROCHLORIC ACID - HCl
SULFURIC ACID - H2SO4
NITRIC ACID - HNO3
Three General Bases
NaOH - SODIUM HYDROXIDE
Ca(OH)2 - CALCIUM HYDROXIDE
Al(OH)2 - ALUMINIUM HYDROXIDE
Ions
ACID - H+ IONS
BASE - OH- IONS
NEUTRAL - EQUAL AMOUNT OF H+ & OH-
Litmus Colour
BLUE
RED