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Classify aqueous solutions of the following substances according to their pH into three groups : 7, more than 7, less than 7.

Common salt, sodium acetate, hydrochloric acid, carbon dioxide, potassium bromide, calcium hydoxide, ammonium chloride, vinegar, sodium carbonate, ammonia, sulphur dioxide .

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#### Solution

SUBSTANCES |
pH Value |

Solution of Common salt | equal to 7 |

Solution of Sodium acetate | greater than 7 |

Solution of Hydrochloric acid | less than 7 |

Solution of Carbon dioxide | less than 7 |

Solution of Potassium bromide | equal to 7 |

Solution of Calcium hydroxide | greater than 7 |

Solution of Ammonium chloride | less than 7 |

Solution of Vinegar | less than 7 |

Solution of Sodium carbonate | greater than 7 |

Solution of Ammonia | greater than 7 |

Solution of Sulphur dioxide | less than 7 |

Concept: The Ph of Solution

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