Advertisements
Advertisements
प्रश्न
Select the correct answer of the following statement:
A drying agent placed in desiccator.
विकल्प
Colloidal
Fused calcium chloride
Solvent
Suspension
Washing soda
Advertisements
उत्तर
Fused calcium chloride
APPEARS IN
संबंधित प्रश्न
Why is water very precious for all living being ?
How are clouds formed?
State the importance of the solubility of CO2 and O2 in water.
What will happen if the total supply of potable water is finished?
State whether the following statement is True or False. If false, write the correct statement.
Rapid growth of industries is one of the causes for water shortage
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 |
Think and suggest some ways to minimise waste and pollutants at their source, taking your home as an example.
What is water?
Write any two activities which require more than a bucket of water.
Fill in the blanks selecting words from the following list
snow, rain, clouds, vapour, evaporation, transpiration.
Water, as ______ goes into atmosphere by the processes of ______ and ______ and forms ______, which on condensation fall in the form of ______ and ______.
