Home
Class 12
CHEMISTRY
The use of common salts, e.g., NaCl or C...

The use of common salts, e.g., `NaCl or CaCl_2` anhydrous, is made to clear snow on the roads. This causes

A

a lowering in the freezing point of water

B

a lowering in the melting point of ice

C

ice melts at the temperature of atmosphere present at that time

D

all of these.

Text Solution

Verified by Experts

The correct Answer is:
A

a lowering in the freezing point of water
Promotional Banner

Topper's Solved these Questions

  • SOLUTIONS

    MTG GUIDE|Exercise AIPMT/NEET MCQs|23 Videos
  • SOLUTIONS

    MTG GUIDE|Exercise NEET CAFE (TOPICWISE PRACTICE QUESTIONS)|160 Videos
  • SOLID STATE

    MTG GUIDE|Exercise AIPMT/NEET MCQS |17 Videos
  • SURFACE CHEMISTRY

    MTG GUIDE|Exercise AIMPT/NEET MCQS|11 Videos

Similar Questions

Explore conceptually related problems

The use of common salts, e.g., NaCl or CaCl_(2) anhydrous, is made to clear snow on the rods. This causes:

Sodium choride or calcium chloride is used to clear snow from the roads. Why?

Read following statement(s) carefully and select the right option : (I) The enthalpy of solution of CaCl_(2). 6H_(2)O in a large volume of water is endothermic to the extent of 3.5 kcal/mol. If DeltaH=-23.2 " kcal" for the reaction, CaCl_(2)(s)+6H_(2)O(l)rarrCaCl_(2).6H_(2)O(s) then heat of solution of CaCl_(2) (anhydrous) in a large volume of water is - 19.7 kcal/mol (II) For the reaction 2Cl(g)rarrCl_(2)(g) , the sign of DeltaH and DeltaS are negative.

CaCl_(2) is preferred over NaCl for clearing ice on roads particularly in very cold countries. This is because:

The number of Cl^(-) ions present in 222 g anhydrous CaCl_(2) is

MTG GUIDE-SOLUTIONS -CHECK YOUR NEET VITALS
  1. If a substance exists as trimer in the solution, then which of the fol...

    Text Solution

    |

  2. For a dilute solution containing 2.5 g of a non-volatile, non-electrol...

    Text Solution

    |

  3. 1.00 g of a non-electrolyte solute (" molar mass " 250 g mol^(-1)) was...

    Text Solution

    |

  4. The use of common salts, e.g., NaCl or CaCl2 anhydrous, is made to cle...

    Text Solution

    |

  5. What will be the osmotic pressure (atm) of 20%(w/V) anhydrous Ca(NO3)2...

    Text Solution

    |

  6. For 1% solutions of KCI (I), NaCl (II), BaCl2 (III) and urea (IV), osm...

    Text Solution

    |

  7. A solution of A and B with 30% moles of A in solution is in equilibriu...

    Text Solution

    |

  8. When 1.9 g of a substance is dissolved in 128 g water, freezing point ...

    Text Solution

    |

  9. The vapour pressure of benzene at 25^@C is 63.7 mm of Hg and the vapou...

    Text Solution

    |

  10. At 27^@C 1.25 L of a solution containing 7.6 g KBr shows an osmotic p...

    Text Solution

    |

  11. In case of osmosis, solvent molecules move from

    Text Solution

    |

  12. 1,00 g of a non-electrolyte solute (molar mass 250 g mol^(-1) ) was di...

    Text Solution

    |

  13. Consider the following solutions : I. M sucrose II. IMKCI III. 1...

    Text Solution

    |

  14. Which of the following solutions has minimum freezing point?

    Text Solution

    |

  15. How much C2H5OH must be added to 1.0 L of H2O so that solution should ...

    Text Solution

    |

  16. Benzoic acid undergoes dimerisation in benzene solution. The van't Hof...

    Text Solution

    |

  17. For a solution of a non-electrolyte in water, the van't Hoff factor is

    Text Solution

    |

  18. Two liquids A and B form an ideal solution at 300 K, the vapour pressu...

    Text Solution

    |

  19. Relative decrease in vapour pressure of an aqueous glucose dilute solu...

    Text Solution

    |

  20. Solutions showing negative deviations from Raoult's law

    Text Solution

    |