Give two characteristic of acid
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Acids in water solutions show certain properties. They taste sour and turn litmus paper red. They react with metals like zinc to give off hydrogen. Bases in water solutions also show certain properties or characteristics.
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Acids taste sour while bases taste bitter. An acid reacts with metals to produce bubbles of hydrogen gas while a base feels slimy to the touch. Acids turn blue litmus paper red while bases turn red litmus paper blue.
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