Question

24. A group of students, while on excursion trip is campaigning on the hills. One morning,
they find themselves engulfed in a thick blanket of snow. One of the senior member of
the group suggests to sprinkle common salt on the ice slit covering the pavement. Now
answer the following questions:
i What is the purpose of sprinkling common salt on ice slit?
ii. Can we use any other substance in place of common salt?
iii. What values are associated with the students?
​

Answer 1

Explanation:

1. Addition of salt lowers the freezing point of water and thus, snow melt.
2. Mixing common rock salt with some of the organic compounds and magnesium chloride results in spreadable materials that are both effective to much colder temperatures (30
3. o
4. F/34
5. o
6. C) as well as at lower overall rates of spreading per unit area.