Ask a Doubt
Request a call back

Join NOW to get access to exclusive study material for best results

CBSE Class 9 Answered

Out of physical and chemical change, which change is considered as a permanent change?
Asked by Topperlearning User | 08 May, 2014, 09:31: AM
answered-by-expert Expert Answer

Chemical change is a permanent change because entirely new substances with new properties are formed and these changes can not be reversed.

Answered by | 08 May, 2014, 11:31: AM

Application Videos

Concept Videos

Multiple Choice Questions Practice Test
Answered Unanswered My Questions My Answers
CBSE 9 - Chemistry
Dear students write down the uses of metals and non metals with suitable examples.
Asked by rehanpinjari94.9dgatl | 11 Oct, 2021, 10:07: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Chemistry
password solution become unsaturated on heating why it's so
Asked by shivjaiswal30.9dgatl | 02 Oct, 2021, 10:07: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Chemistry
Give the difference between elements and compounds
Asked by dambalshoba | 06 Sep, 2020, 09:08: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Chemistry
How to make dry ice? 
Asked by harshilmodi74.tl | 16 Apr, 2020, 11:16: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Chemistry
Why is digestion classified as a chemical change?
Asked by Topperlearning User | 08 May, 2014, 09:31: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Chemistry
Out of physical and chemical change, which change is considered as a permanent change?
Asked by Topperlearning User | 08 May, 2014, 09:31: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Chemistry
Describe what happens when we burn a piece of paper? What type of a change is this?
Asked by Topperlearning User | 08 May, 2014, 09:32: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Chemistry
(a) Why is change in colour of a cut apple slice on being kept in air is a chemical change? (b) State one instance where water undergoes a physical change and one in which it undergoes a chemical change.
Asked by Topperlearning User | 08 May, 2014, 09:33: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Chemistry
Explain how during the burning of a candle, both physical and chemical changes take place.
Asked by Topperlearning User | 10 Jul, 2014, 10:48: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Chemistry
What happens when a few drops of lemon juice are added to milk?
Asked by Topperlearning User | 08 May, 2014, 09:34: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
My Class Videos Tests ₹ Plans Ask a Doubt
Get Latest Study Material for Academic year 24-25 Click here
×