Give reasons:
(i) Lakes freeze from top towards bottom.
(ii) Ice floats on water.
Give reasons:
(i) Lakes freeze from top towards bottom.
(ii) Ice floats on water.
(i) During winter, the temperature of lake water keeps on decreasing. Since cold water is heavier, it moves towards the bottom.
(ii) Density of ice is less than that of water that is why it floats on the surface of water.
Upvote 
Similar Questions for you
H2S has minimum boiling point.
PbS + 4H2O2->PbSO4 + 4H2O.
Volume strength of H2O2 = Molarity * 11.2
HF molecules are associated with strong intermolecular hydrogen bonding hence its boiling point is the highest
Compound Melting Point (K)
HF 190
HCl
Taking an Exam? Selecting a College?
Get authentic answers from experts, students and alumni that you won't find anywhere else.
On Shiksha, get access to
Learn more about...
Chemistry NCERT Exemplar Solutions Class 11th Chapter Nine 2025
View Exam DetailsMost viewed information
SummaryDidn't find the answer you were looking for?
Search from Shiksha's 1 lakh+ Topics
Ask Current Students, Alumni & our Experts
Have a question related to your career & education?
See what others like you are asking & answering