10th Class Science Solved Paper - Science-2016 Outside Delhi Set-I

  • question_answer
    In the neighbourhood of your school, hard water required for an experiment is not available. Select from the following groups of salts available in your school, a group each member of which, if dissolved in distilled water, will make it hard:
    (a) Sodium chloride, calcium chloride
    (b) Potassium chloride, sodium chloride
    (c) Sodium chloride, magnesium chloride
    (d) Calcium chloride, magnesium chloride


    (d) Calcium chloride, magnesium chloride


You need to login to perform this action.
You will be redirected in 3 sec spinner