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~ACID & ALKALI~. Investigating Materials. WHAT IS ACID, ALKALI & NEUTRAL???. Acid……. Acidic Food. Acidic Food. ◊Taste “ SOUR ”. ◊ Litmus paper Blue Red. Alkali……. Alkaline Food. Alkaline Food. ◊Taste “ BITTER ”. ◊ Litmus paper Red Blue. Neutral ……. Neutral Food.
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~ACID & ALKALI~ Investigating Materials
Acid……. Acidic Food
Acidic Food ◊Taste “SOUR” ◊ Litmus paper Blue Red
Alkaline Food ◊Taste “BITTER” ◊ Litmus paper Red Blue
Neutral Food ◊Taste “SWEET”, “TASTELESS” or “SALTY” ◊ Litmus paper Red Red Blue Blue