Home
Class 10
CHEMISTRY
A few drops of sulphuric acid are added ...

A few drops of sulphuric acid are added to water before electrolysis. Why?

Text Solution

Verified by Experts

Sulphuric acid makes the water conducting.
Promotional Banner

Topper's Solved these Questions

  • METALS AND NON METALS

    ZEN PUBLICATION|Exercise ZEN ADDITIONAL QUESTIONS SECTION (SHORT ANSWER [SA] TYPE 1 QUESTIONS)|28 Videos

  • METALS AND NON METALS

    ZEN PUBLICATION|Exercise ZEN ADDITIONAL QUESTIONS SECTION (SHORT ANSWER TYPE 2 QUESTIONS)|30 Videos

  • METALS AND NON METALS

    ZEN PUBLICATION|Exercise ZEN ADDITIONAL QUESTIONS SECTION (MULTIPLE CHOICE QUESTIONS)|31 Videos

  • CHEMICAL REACTIONS AND EQUATIONS

    ZEN PUBLICATION|Exercise ZEN ADDITIONAL QUESTIONS SECTION (LONG - ANSWER [LA]TYPE QUESTIONS )|27 Videos

  • PERIODIC CLASSIFICATION OF ELEMENTS

    ZEN PUBLICATION|Exercise QUESTIONS|2 Videos

Similar Questions

Explore conceptually related problems

Mention two uses of sulphuric acid.

A few drops of iodine solution were added to rice water. The solution turned blue-black in colour. This indicates that rice water contains

Sulphuric acid molecule contains :

A compound X is formed by the reaction of a carboxylic acid C_2H_4O_2 and an alcohol in the presence of a few drops of sulphuric acid. The alcohol on oxidation with alkaline potassium permanganate followed by acidification gives the same carboxylic acid as used in this reaction. Give the names and structures of the a) carboxylic acid b alcohol and c) the compound X. Also write the reaction.

When we take 1 ml ethanol and 1 ml ethanoic acid along with a few drops of concentrated sulphuric acid in a test-tube a sweet smelling substance is formed. Name the compound and give the balanced chemical equation for the reaction. What do we call the reverse reaction to give back alcohol and carboxylic acid which is used in the preparation of soap ?

Fe drops of conc. HNO_3 are added to group II filtrate before proceeding for group III in order to :

ZEN PUBLICATION-METALS AND NON METALS-ZEN ADDITIONAL QUESTIONS SECTION (VERY SHORT ANSWER [VSA] TYPE QUESTIONS)
  1. Ionic compounds can conduct electric current when molten. Give reason....

    Text Solution

    |

  2. Aluminium occurs in combined state in nature whereas gold, in its free...

    Text Solution

    |

  3. A few drops of sulphuric acid are added to water before electrolysis. ...

    Text Solution

    |

  4. In the refining of silver, the recovery of silver from silver nitrate ...

    Text Solution

    |

  5. What is metallurgy ?

    Text Solution

    |

  6. What is the reduction process used for sodium chloride?

    Text Solution

    |

  7. In electrolytic refining of an impure coper metal, which substances ar...

    Text Solution

    |

  8. What is galvanization?

    Text Solution

    |

  9. Iron objects acquires redish brown coating when left exposed to moist ...

    Text Solution

    |

  10. Why corrosion of iron is a serious problem?

    Text Solution

    |

  11. Name the colour of coating formed on silver and copper articles expose...

    Text Solution

    |

  12. Hydrogen is not a metal but it has been assigned a place in the metal ...

    Text Solution

    |

  13. Why should the metal sulphides and carbonated ores be converted to met...

    Text Solution

    |

  14. Name a non-metal which is lustrous and a metal which is non-lustrous.

    Text Solution

    |

  15. A non-metal X exists in two different forms Y and Z. Y is the hardest ...

    Text Solution

    |

  16. Why does calcium float on water?

    Text Solution

    |

  17. Which gas is usually liberated when an acid reacts with a metal ? Illu...

    Text Solution

    |

  18. Name the metal which reacts with a very dilute HNO(3) to evolve hydrog...

    Text Solution

    |

  19. Copper when exposed to air for a long time acquire a green coat . Why ...

    Text Solution

    |

  20. Name of solvent in which electrovalent compounds are soluble and a sol...

    Text Solution

    |