Advertisements
Advertisements
Question
Name the gas produced when fossil fuel is burnt.
Advertisements
Solution
Carbon dioxide
APPEARS IN
RELATED QUESTIONS
What are the main causes of water pollution ? How can it be controlled ?
Explain rain water harvesting.
Explain why:
Air dissolved in water contains a higher proportion of oxygen.
Select the correct answer of the following statement:
A solution which can pass through a filter paper but not through a semipermeable membrane.
Select the correct answer of the following statement:
A drying agent placed in desiccator.
State the importance of water for all general uses.
Pour water from the ice tray into a kettle. Ask an elder at your home to heat the kettle and observe the mouth of the kettle when the water starts boiling.
What do you see?
Which state government made rain water harvesting mandatory in the year 2001?
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 |
Wells are fed by ______.
