Properties of Acid and Alkali

Science

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I easily remember

Example of acid

Hydrochloric acid and vinegar

Example of alkali

Sodium hydroxide solution and soap water

pH value acid

Less than 7

pH value alkali

More than 7

Taste of an acid

Sour

Litmus paper for acid

Blue litmus paper turns red

Acid with metals

Reacts to produce hydrogen gas

Alkali with metals

Does not react

Acidic substance

Substance that contain acids

Alkaline substances

Substances that contain alkali

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