CameraIcon

SearchIcon

MyQuestionIcon

58

You visited us 58 times! Enjoying our articles? Unlock Full Access!

Redox Reaction

Water polluti...

Question

Water pollution can be defined as:

A

Physical change in the properties of water

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

Chemical change in the properties of water

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C

Biological change in the properties of water

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

All of the above

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The correct option is D All of the above
There are various chemical pollutants which on mixing changes the colour, taste or other physical quality; changes the natural state of odourless, colourless form by bringing chemical changes and biological changes include an addition of pathogenic bacteria to the water by untreated sewage waste.

Suggest Corrections

thumbs-up

0

Similar questions

Physical changes can cause changes in the chemical properties as well.

Change in which of the following physical properties can transform matter from one state to another?

Q. Changes in which only ____________ properties of a substance change are called physical changes.

Q. Matter undergoes a change. The changes are of two types: Physical and chemical change.

A physical change is a change that involves only a change in the physical state of matter. Its chemical properties remain the same. Usually increasing the temperature or applying pressure or both bring about a physical change. On reversing the condition, that is reducing the temperature or reducing the pressure or both, the original state of matter is restored. In other words, physical changes are reversible.

A chemical change is a change that involves a change in the chemical composition of matter. A new substance is formed. In a chemical change, new chemical and physical properties of the substance are formed. In a chemical change, the chemical and physical properties of the substance formed will be different from the original substance.

In a chemical change, the properties that change are :

Q. Assertion :Physical change of a substance involves change in all properties and composition of its molecules Reason: The change of a substance with alteration of composition of its molecules without any change in its specific property is called physical change

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Chemical Reactions and Equations II

CHEMISTRY

Watch in App

explore_more_icon

Explore more

Standard X Chemistry

Join BYJU'S Learning Program

CrossIcon