Asked/Added Questions From NCERT:

Question 1. Asked on :17 January 2019:07:33:21 PM

why the intercoversion of state of matter is considered as a physical change? give three reason to justify the answer.

-Added by khushi chauhan Science » Ismatterbrounduspure

Answer:

Master Purushottam

The interconversion of state of matter is considered as a physical change:-

1. No formation of new compound

2. Formula of the element /compound remain same

3. No colour and odour change is seen

-Answered by Master Purushottam On 24 August 2019:12:16:12 AM

Question 2. Asked on :17 January 2019:07:33:21 PM

why the intercoversion of state of matter is considered as a physical change? give three reason to justify the answer.

-Added by khushi chauhan Science » Ismatterbrounduspure

Answer:

Master Purushottam
The interconversion of the states of matter is a physical change due to the following reasons: The change is reversible. A substance can revert back to its original state by physical means. ... Ice, water and water vapour are chemically H₂O although they are present as solid, liquid and gaseous states respectivel

-Answered by Master Purushottam On 24 August 2019:12:16:24 AM

Question 3. Asked on :17 January 2019:07:33:21 PM

why the intercoversion of state of matter is considered as a physical change? give three reason to justify the answer.

-Added by khushi chauhan Science » Ismatterbrounduspure

Answer:

Master Purushottam

Three reasons to justify that inter conversion of states of matter is considered as physical change :

• No formation of new compound.

• Formula of the element/compound remains same

• No colour or odour change is seen.

-Answered by Master Purushottam On 24 August 2019:12:16:37 AM

Question 4. Asked on :17 January 2019:07:33:21 PM

why the intercoversion of state of matter is considered as a physical change? give three reason to justify the answer.

-Added by khushi chauhan Science » Ismatterbrounduspure

Answer:

-Answered by Master Purushottam On 24 August 2019:12:16:44 AM

Question 5. Asked on :17 January 2019:07:33:21 PM

why the intercoversion of state of matter is considered as a physical change? give three reason to justify the answer.

-Added by khushi chauhan Science » Ismatterbrounduspure

Answer:

-Answered by Master Purushottam On 24 August 2019:12:16:52 AM

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