Sulphuric Acid

There is no content available!

To Access the full content, Please Purchase

  • Q1

    When few drops of conc. H2SO4 are added to blue coloured crystals of copper (II) sulphate, they changes to white coloured solid. Identify the chemical formula of white solid.

    Marks:1
    Answer:

    CuSO4

    Explanation:

    View Answer
  • Q2

    A student wanted to dilute the given sample of sulphuric acid. When he added water to acid, his hand got injured by acid burns. This has happened because the reaction

    Marks:1
    Answer:

    is exothermic.

    Explanation:

    One should not add water to an acid because the reaction is highly exothermic. If water is added to concentrated acid to dilute it, then a large amount of heat will evolve at once, which can splash acid and cause acid burns.

    View Answer
  • Q3

    Sulphuric acid is manufactured by contact process. Identify the chemical used to dissolve SO3 in this process.

    Marks:1
    Answer:

    sulphuric acid.

    Explanation:

    In contact process sulphuric acid is used to dissolve SO3 to form oleum which in turn is diluted with water to give sulphuric acid.

    View Answer
  • Q4

    Conc.nitric acid can be converted into sulphuric acid by simply treating the nitric acid with:

    Marks:1
    Answer:

    sulphur.

    Explanation:

    View Answer
  • Q5

    Contact process is used for the synthesis of:

    Marks:1
    Answer:

    oil of vitriol.

    Explanation:

        Contact process is used for the synthesis of sulphuric acid which is also known as oil of vitriol because it is also obtained by heating crystals of green vitriol.

    View Answer