Home
Class 10
CHEMISTRY
Crystals of copper sulphate are heated i...

Crystals of copper sulphate are heated in a test tube fore some time.
(a) What is the colour of copper sulphate crystal (i) before heating (ii) after heating ?
(b) What is the cource of liquid droplets seen on the inner upper side of the test tube during the heating process ?

Text Solution

Verified by Experts

(a) Colour of crystals before heating : blue.
Colour of crystals after heating : white.
(b) The liquid droplets formed in the inner upper side of the rest tube during the heating process are of water. It is released from the crystals of copper sulphate during heating.
`underset(("Blue"))(CuSO_(4.))5H_(2)Ooverset("heating")to underset(("white"))(CuSO_(4))+underset(("droplets"))(5H_(2)O)`
Promotional Banner

Topper's Solved these Questions

  • ACIDS, BASES AND SALTS

    DINESH PUBLICATION|Exercise LONG ANSWER QUESTIONS|24 Videos

  • ACIDS, BASES AND SALTS

    DINESH PUBLICATION|Exercise HIGHER ORDER THINKING SKILL BASED QUESTIONS|6 Videos

  • ACIDS, BASES AND SALTS

    DINESH PUBLICATION|Exercise VERY SHORT ANSWER QUESTIONS|41 Videos

  • CARBON AND ITS COMPOUNDS

    DINESH PUBLICATION|Exercise MCQs|29 Videos

Similar Questions

Explore conceptually related problems

2g of ferrous sulphate crystals are heated in a boiling tube. (i) State the colour of ferrous sulphate crystals both before heating and after heating. (ii) Name the gases produced during heating. (iii) Write the chemical equation for the reaction.

(a) What is the colour of ferrous sulphate crystals ? How does this colour change after heating? (b) Name the product formed on strongly heating ferrous sulphate crystals. What type of chemical reaction occurs in this change?

What happens when hydrate copper sulphate is heated ?

DINESH PUBLICATION-ACIDS, BASES AND SALTS -SHORT ANSWER QUESTIONS
  1. How is chloride of lime chemically different from calcium chloride " W...

    Text Solution

    |

  2. State the chemical property in each case on which the following uses o...

    Text Solution

    |

  3. Crystals of copper sulphate are heated in a test tube fore some time. ...

    Text Solution

    |

  4. A person is sufering from indigestion due to the intake of hot spicy f...

    Text Solution

    |

  5. (a) Give the chemical names of acids present in : {:((i),"ants",(ii)...

    Text Solution

    |

  6. Oxide of metals are basic ehile those of non-metals are acidic. Explai...

    Text Solution

    |

  7. What are antacids ? Name two compounds which are used as antacids ?

    Text Solution

    |

  8. (a) What would be the colour of the solution when copper oxide and dil...

    Text Solution

    |

  9. A white powder is added while baking breads and cakes to make them fof...

    Text Solution

    |

  10. What are the three products of 'Chlor-alkali process' ? Write one comm...

    Text Solution

    |

  11. Why do HCl, HNO(3), etc., show acidic characters in aqueous solutions ...

    Text Solution

    |

  12. The pH of the mouth of a person is lower than 5.5. What changes will o...

    Text Solution

    |

  13. (a) Why are some salts called hydrated salts ? (b) Give two examples...

    Text Solution

    |

  14. What is bleaching powder chemically called ? Give a reaction for its p...

    Text Solution

    |

  15. What are olfactory indicators ? Dry HCl gas does not change the colour...

    Text Solution

    |

  16. You are given two solution A and B. The pH of solutin A is 6 and pH of...

    Text Solution

    |

  17. Account for the following : (a) Antacid tablets are used by a person...

    Text Solution

    |

  18. Answer the following : (a) Why is Plaster of Paris written as CaSO(4...

    Text Solution

    |

  19. (a) Write the name given to bases that are highly soluble in water. Gi...

    Text Solution

    |

  20. (i) Identify the compound of calcium which is yellowish powder and is ...

    Text Solution

    |