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Subjects
Science State Board
Class 7
Changes around us
Physical Changes
6.
Melting and vapourisation
Exercise condition:
4
m.
Fill in the blanks with the options given:
Answer variants:
Impurities
Decantation
Chemical
1
.
In melting the __________ property remains the same throughout the reaction.
2
.
__________ present in liquid makes the evaporation process slower.
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