Advertisements
Advertisements
Question
Explain why:
Water is an excellent liquid to use in cooling systems.
Advertisements
Solution
Water is an excellent liquid to use in cooling systems because of its high specific heat.
APPEARS IN
RELATED QUESTIONS
Name the gas produced when steam is passed over hot coke.
Give the molecular formula of water ?
Explain how the peculiar variation of density of water with temperature can cause water— pipes to burst in very cold places.
A captain of ship will tell you that an iceberg is much bigger than it looks. Why is it so ?
State whether the given statement are true or false. If true, write the reason.
Ganga−Brahmaputra plain of India is an overpopulated region.
How is aquatic life benefited by the fact that water has maximum density at 4oC?
What are stalgmites and stalactites? How are they formed?
Differentiate between the following:
Natural water and treated water
Match the items of Column I with the items of Column II with reference to sewage.
| Column I | Column II | ||
| (a) | Inorganic impurities | (i) | phosphorus and nitrogen |
| (b) | Organic impurities | (ii) | nitrates and phosphates |
| (c) | Nutrients | (iii) | cholera and typhoid |
| (d) | Bacteria | (iv) | pesticides and herbicides |
Dissolve two spoons of common salt in half a cup of water. Now if you want to get the salt back, what will you do?
