Topic 4

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What is an acid?

An acid is a substance that forms aqueous solutions with a pH of less than 7. Acids form H+ ions in water.

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What is a base?

A base is a substance with a pH greater than 7.

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{"id":1680576,"question_id":"376322","created_at":"2018-02-10 15:15:52","updated_at":"2018-02-10 15:15:52","answerTitle":"A base is a substance with a pH greater than 7.","isAnswerCorrect":"1","isAnswerBlank":null,"isInSecondMatchingColumn":null,"sequenceOrder":null,"lang":null,"type":0}

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