Physical and Chemical Properties of Water
Physical and Chemical Properties of Water: Overview
This topic explains concepts such as Freezing of Water, Anomalous Behaviour of Water, Floating of Ice on Water, Survival of Aquatic Animals in Colder Regions, etc.
Important Questions on Physical and Chemical Properties of Water
_____ process is simply the opposite of melting.
Define freezing of water?
Name the state of water after and before freezing?
Which among the following statements is incorrect for magnesium metal?
An element A is soft and can be cut with a knife. This is very reactive to air and cannot be kept open in air. It reacts vigorously with water. Identify the element from the following
What happens when calcium is treated with water?
Which of the following oxide(s) of iron will be obtained on prolonged reaction of iron with steam?
Which one of the following metals does not react with cold as well as hot water?
Calcium reacts with cold water and forms
Carbon dioxide gas is released when metals react with water.
Metals react with water to form oxides or hydroxides and
The special property of water supports the survival of aquatic animals in colder regions.
How do aquatic animals survive in cold water?
Explain how the property of water supports the survival of aquatic animals in colder regions.
Assertion (A): Zinc becomes dull in moist air.
Reason (R): Zinc is coated by a thin film of its basic carbonate in moist air.
Unscramble the word to describes the following process. (EFERZNIG)
Water changes into ice.
What is freezing of water?
When water freezes, it becomes _____.
Name the state of water when it freezes.
