Home
Class 10
CHEMISTRY
Fill ups When dil HCl is added to black ...

Fill ups
When dil HCl is added to black copper oxide, the solution becomes………………in colour.

Promotional Banner

Topper's Solved these Questions

  • ACID, BASES AND SALTS

    MODERN PUBLICATION|Exercise EXERCISE|433 Videos

  • CARBON AND ITS COMPOUNDS

    MODERN PUBLICATION|Exercise EXERCISE|410 Videos

Similar Questions

Explore conceptually related problems

Copper sulphate solution is green in colour.

Write balanced chemical equation and identify the type of chemical reaction taking place when: Iron nails dipped in blue copper sulphate solution become brownish in colour and the blue colour of copper sulphate fades away.

If HCl is added to distilled water, the pH of new solution will be:

what happen when a piece of zinc is added to copper sulphate solution?

Fill ups The colour of universal indicator in very acidic solution is…………….. .

When a strip of copper is placed in the solution of silver nitrate, the solution become blue. Why ?

A drop of litmus solution is added to each of the four solutions given below. State the colour all litmus solution observed in each: soap solution sodium carbonate solution, vinegar, lemon juice.

What is the colour of coating of copper oxide?

What happens when a piece of Aluminium metal is added to copper sulphate solution? Also, write the balanced chemical equation if the reaction occurs

MODERN PUBLICATION-ACID, BASES AND SALTS-EXERCISE
  1. True/false Copper sulphate solutoins turns red litmus blue.

    Text Solution

    |

  2. True/false Tamarind contains oxalic acid.

    Text Solution

    |

  3. Fill ups When dil HCl is added to black copper oxide, the solution bec...

    Text Solution

    |

  4. Fill ups Brine is a saturated solution of………………

    Text Solution

    |

  5. Fill ups Salts of strong acids and weak bases are…………….in nature.

    Text Solution

    |

  6. Fill ups Tooth pastes are generally…………..in nature.

    Text Solution

    |

  7. Fill ups The colour of universal indicator in very acidic solution is…...

    Text Solution

    |

  8. Why is sodium hydrogen carbonate an essential ingredient in antacids?

    Text Solution

    |

  9. Dry hydrogen chloride gas does not turn blue litmus red whereas hydroc...

    Text Solution

    |

  10. Write a chemical equation for the reaction of carbon dioxide with blea...

    Text Solution

    |

  11. Fresh milk has a ph of 6. how do you think the ph will change as it tu...

    Text Solution

    |

  12. How is the concentration of hydronium ions (H(3)O^(+)) affected when a...

    Text Solution

    |

  13. A piece of zinc metal is dropped in dilute solution of hydrochloric ac...

    Text Solution

    |

  14. A piece of zinc metal is dropped in dilute solution of hydrochloric ac...

    Text Solution

    |

  15. Name the two main consituents of baking powder.

    Text Solution

    |

  16. Name the two main consituents of baking powder.

    Text Solution

    |

  17. Tooth enamel is one of the hardest substances in our body. How does it...

    Text Solution

    |

  18. What is the meant by water by crystallisation in a substance? How woul...

    Text Solution

    |

  19. Complete the following reactions: NaCl+CO2+NH3+H2Orarr……………+…………

    Text Solution

    |

  20. Compelte the following reactions: CaSO4. 2H2O rarr

    Text Solution

    |