Home
Class 9
CHEMISTRY
A little distilled water is taken in a b...

A little distilled water is taken in a beaker.
A) What is the pH of distilled water?
B) What happens to the pH value when the following substances are added to the water in the beaker? Justify your answer.
a) Caustic soda
b) Vinegar

Text Solution

Verified by Experts

A)7
B) a) Caustic soda- increases the pH beacuase of the concentration of .OH^-. ion increases.
b) Vinegar - Decreases the pH because of the concentration of the .H^+. ion increases.
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL BONDING

    V PUBLICATION|Exercise QUESTION BANK|60 Videos

Similar Questions

Explore conceptually related problems

What happens when Boric acid is added to water

What happens when lime is added to hard water? Explain.

the water solutions of the ionic compounds NaCl, CH_3COONa and NH_4Cl show different pH. Justify your answer.

100 mL each of coconut oil and water are taken in two beakers and kept in the freezer. What difference can be observed in their volumes during freezing?

V PUBLICATION-ACIDS BASES AND SALTS-QUESTION BANK
  1. IdentIfy the symbols of ions from the box and write against their name...

    Text Solution

    |

  2. a) Name the salt formed by the reaction between magnesium hydroxide [M...

    Text Solution

    |

  3. A little distilled water is taken in a beaker. A) What is the pH of ...

    Text Solution

    |

  4. The pH value of some substances are given in the table. Analyse the ta...

    Text Solution

    |

  5. a) Complete the chemical equations for the ionisation of phosphoric ac...

    Text Solution

    |

  6. Solutions of sodium carbonate , potassium chloride, and ammonium sulph...

    Text Solution

    |

  7. Which of the following is used as a chemical fertiliser? ( NaCl, HN...

    Text Solution

    |

  8. What is the pH of water? ( 0, 5, 7, 14)

    Text Solution

    |

  9. Find the relation and fill in the blanks : Table salt: Sodium chlorid...

    Text Solution

    |

  10. The substances that help to identify ACID AND ALKALIES are

    Text Solution

    |

  11. Acids react with metal to form

    Text Solution

    |

  12. Acids react with carbonates to form

    Text Solution

    |

  13. is used to determine the acidic or alkaline property of substance.

    Text Solution

    |

  14. Acids dissolve in water to form …......

    Text Solution

    |

  15. The highest pH value in the alkaline medium.

    Text Solution

    |

  16. ….......is the pH value of neutral solution

    Text Solution

    |

  17. …...........is the main components in acid.

    Text Solution

    |

  18. In neutralisation process,…...........ions of acids and ...............

    Text Solution

    |

  19. …..............is used to determine the acidity of soil.

    Text Solution

    |

  20. Acids react with alkali to form salt and water. The process is known a...

    Text Solution

    |