Home
Class 12
CHEMISTRY
How does sprinking of salt help in clear...

How does sprinking of salt help in clearing the snow covered roads in hilly areas? Explain the phenomenon involved in the process.

A

lowering in vapour pressure of snow

B

depression in freezing point of snow

C

increase in freezing point of snow

D

melting of ice due to increase in temperature by putting salt

Text Solution

Verified by Experts

The correct Answer is:
B
When salt is spread over snow, snow starts melting from the surface because of depression in freezing point and helps in clearing the roads .
Promotional Banner

Topper's Solved these Questions

  • SOLUTIONS

    NCERT FINGERTIPS|Exercise Abnormal Molar Masses|16 Videos

  • SOLUTIONS

    NCERT FINGERTIPS|Exercise Higher Order Thinking Skills|10 Videos

  • SOLUTIONS

    NCERT FINGERTIPS|Exercise Ideal And Non-Ideal Solutions|13 Videos

  • PRACTICE PAPER -3

    NCERT FINGERTIPS|Exercise Practice Paper 3|50 Videos

  • SURFACE CHEMISTRY

    NCERT FINGERTIPS|Exercise Assertion And Reason|15 Videos

Similar Questions

Explore conceptually related problems

A parallel-plate capacitor with vertical plates is connected to a voltage source and then submerged into a liquid dielectric. How does the level of the dielectric between the plates change in the process? Explain the change of the energy stored by the capacitor

How does a test-cross help in identifying the genotype of the organism ? Explain.

How is rainwater harvesting helped in the development of certain areas of India? Explain with answer.

How does increase in taxes help to control the situation of excess demand? OR Explain the role of taxation in reducing excess demand.

How does small business help in improving economic conditions of rural area ?

NCERT FINGERTIPS-SOLUTIONS -Colligative Properties And Determination Of Molar Mass
  1. If 1 g of solute (molar mass = 50 g mol^(-1)) is dissolved in 50 g of ...

    Text Solution

    |

  2. 2 g of sugar is added to one litre of water to give sugar solution. Wh...

    Text Solution

    |

  3. How does sprinking of salt help in clearing the snow covered roads in ...

    Text Solution

    |

  4. Equimolar solutions in the same solvent have-

    Text Solution

    |

  5. A 5% solution (w/W) of cane sugar (molar mass = 342 g mol^(-1) ) has f...

    Text Solution

    |

  6. What weight of glycerol should be added to 600 g of water in order to ...

    Text Solution

    |

  7. If semipermeable membrane is placed between the solvent and solution a...

    Text Solution

    |

  8. Study the following figure showing osmosis and mark the correct statem...

    Text Solution

    |

  9. Relative lowering of vapour pressure , osmotic pressure of a solution ...

    Text Solution

    |

  10. The osmotic pressure of a solution can be increased by

    Text Solution

    |

  11. People taking lot of salt experience puffiness or swelling of the body...

    Text Solution

    |

  12. The preservation of meat by salting and of fruits by adding sugar prot...

    Text Solution

    |

  13. Sea water is desalinated to get fresh water by which of the following ...

    Text Solution

    |

  14. A 5% solution of cane sugar (molecular weight=342) is isotonic with 1%...

    Text Solution

    |

  15. Which of the following statements is correct about diffusion and osmos...

    Text Solution

    |

  16. 10% solution of urea is isotonic with 6% solution of a non-volatile so...

    Text Solution

    |

  17. A solution containing 10.2 g of glycrine per litre is found to be isot...

    Text Solution

    |

  18. What will be the osmotic pressure in pascals exerted by a solution pre...

    Text Solution

    |

  19. Osomotic pressure of a solution containing 2 g dissolved protein per 3...

    Text Solution

    |

  20. Twenty grams of a substance were dissolved in 500ml. Of water and the ...

    Text Solution

    |