Advertisements
Advertisements
प्रश्न
What is the effect of impurities present in the water on the melting point and boiling point of water?
Advertisements
उत्तर
The boiling point of water increases due to the presence of dissolved impurities.
The freezing point of water decreases due to the presence of dissolved impurities.
APPEARS IN
संबंधित प्रश्न
Give reason of Icebergs float on ocean water.
Match the statements in column A with that in column B.
| Column A | Column B |
| (a) deliquescent substance | (1) sodium bicarbonate |
| (b) hygroscopic substance | (2) magnesium chloride |
| (c) efflorestance substance | (3) conc. sulphuric acid |
| (d) substance causing temporary hardness | (4) washing soda |
Give one word for the following statement:
The gaseous form of water found in air .
Give a reason why alcohol and water form a miscible mixture while oil & water do not.
What is meant by the term ‘offshore drilling’. State the main environmental effects of offshore drilling.
What happens when a spoonful of sugar, sawdust, and soil are added to a glass of water?
Which state government made rain water harvesting mandatory in the year 2001?
Sea water can be used for irrigation as such.
Open drain system is a breeding place for which of the following?
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?
