Allied solutions

Allied solutions

Grade 7

Matter and its Composition | Exercise

Question 12

Q12) Explain the term ‘interconversion of matter’ - with ice as a starting material. State the term which refers to the conversion of a substance on heating from.

(a) Solid state to liquid state

(b) Liquid state to vapour state

(c) Vapour state to liquid state

(d) Liquid state to solid state

Solution :

When the state of matter changes to the other and then back to the original state without changing chemical composition, it is call ‘inter conversion of matter’.

The terms which refers to the conversion of a substance are :

(a) Melting

(b) Vaporisation

(c) Liquefaction

(d) Solidification

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Question 12

Q12) Explain the term ‘interconversion of matter’ - with ice as a starting material. State the term which refers to the conversion of a substance on heating from.

(a) Solid state to liquid state

(b) Liquid state to vapour state

(c) Vapour state to liquid state

(d) Liquid state to solid state

Solution :

When the state of matter changes to the other and then back to the original state without changing chemical composition, it is call ‘inter conversion of matter’.

The terms which refers to the conversion of a substance are :

(a) Melting

(b) Vaporisation

(c) Liquefaction

(d) Solidification

Still have questions? Our expert teachers can help you out

Book a free class now

Want to top your chemistry exam ?

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Book a free class now
subject-cta
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