Home
Class 10
CHEMISTRY
Zinc granules are placed in each of the ...

Zinc granules are placed in each of the four solutions A,B,C and D as shown. Colour change would be observed in

A

A and B

B

C and D

C

A and C

D

B and D

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • METALS AND NON-METALS

    MODERN PUBLICATION|Exercise EXERCISE|429 Videos
  • CHEMICAL REACTIONS AND EQUATIONS

    MODERN PUBLICATION|Exercise EXERCISE|141 Videos
  • PERIODIC CLASSIFICATION OF ELEMENTS

    MODERN PUBLICATION|Exercise EXAMPLE|53 Videos

Similar Questions

Explore conceptually related problems

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.

Four points charges, each having a charge q are placed on the four corners. A,B,C and D of a regular pentagon. ABCDF. The distance of eadch corner for the centre is a. Find the electric field at the centre of the pentagon.

Solutions of copper sulphate, iron sulphate and zinc sulphate are prepared are marked I,II and III respectively. Few pieces of aluminium are added to each solution. After some time a change will be observed in

In Fig. find the four angles A, B, C and D in the parallelogram ABCD.

Five point charges, each having a charge q are placed on the five croners A,B,C, D and E of a regular hexagon ABCDEF having each side of length a. Find the electric field at the centre of the hexagon.

Four point charges are placed at the four corners of a square in the two ways (a) and (b) as shown figure. Will the Electric potential at the centre of the square be the same or different in the two configurations and why?

State the reason for the following behaviour of zinc metal: On placing a piece of zinc metal in a solution of mercuric chloride it acquires a shining silvery surface but when it is placed in a solution of magnesium sulphate no change is observed.

Four charges +q'+q' - q and -q are placed respe tively at the four croners A,B,C and D respectively of a square of side a . Calcualte the force on a charge Q placed at the centre of the square.

MODERN PUBLICATION-METALS AND NON-METALS-EXERCISE
  1. A solution of CuSO4 was kept in an iron pot. After a few days the iron...

    Text Solution

    |

  2. Define calcination and roasting.

    Text Solution

    |

  3. What would happen to iron railings on the roadside if they are not pai...

    Text Solution

    |

  4. Explain the following: Carbon cannot reduce the oxides of Na and Mg.

    Text Solution

    |

  5. Explain the following: Reactivity of Al decreases if it is dipped in H...

    Text Solution

    |

  6. Explain the following: Titanium is a strategic metal.

    Text Solution

    |

  7. A,B and C are three elements which undergo chemical changes according ...

    Text Solution

    |

  8. A,B and C are three elements which undergo chemical changes according ...

    Text Solution

    |

  9. Consider the following reactions : (i) A + B SO4 rarr a SO4 +B (ii...

    Text Solution

    |

  10. With the help of diagram show the transfer of electrons between the at...

    Text Solution

    |

  11. Why are ionic compounds usually hard?

    Text Solution

    |

  12. Ionic solids conduct electricity in the molten state but not in the so...

    Text Solution

    |

  13. Name the solvent in which ionic compounds are generally soluble.

    Text Solution

    |

  14. Zinc granules are placed in each of the four solutions A,B,C and D as ...

    Text Solution

    |

  15. Which of the following reaction does not occur:

    Text Solution

    |

  16. Ferrous sulphate crystals are dissolved in water. The colour of the so...

    Text Solution

    |

  17. Two beakers A and B contain iron sulphate solution. In beaker A, a sma...

    Text Solution

    |

  18. Write chemical equatoins for this following reactions. Zinc carbonate ...

    Text Solution

    |

  19. What happens when a mixture of Cu2O and Cu2S is heated?

    Text Solution

    |

  20. A metal M does not liberate hydrogen from acids but reacts with oxygen...

    Text Solution

    |