Advertisements
Advertisements
प्रश्न
Give a reason for the following.
Ice floats on water.
टिप्पणी लिखिए
Advertisements
उत्तर
Reason:
- This is because ice is lighter than water.
- It means that the density of ice is lower than that of water.
- Since ice is a bad conductor of heat it does not allow heat to pass through it.
- So, the water below the ice remains in liquid form, where most of the aquatic life lives.
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
The process of changing water into its vapour is called ______.
______ is built on rivers to regulate water flow and distribute water.
The boiling point of water is ______
Give a reason for the following.
Alum is added to water in sedimentation tanks.
______ water contains 0.05% to 1% of salts.
The molecular formula of water is ______.
Every year _______ is observed as the world water day.
Water freeze at 100° Celsius at normal pressure.
Analogy:
Contain more than 3% of salt: ______:: upto 3% of salt dissolved: Brackish water.
______ is a transparent, tasteless, odourless, chemical substance.
