Answers

2015-06-02T20:03:20+05:30
There may be expansion of solid 
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hmmmmmm gud
arey tum log jaise bhudimaan logon se me kya compete karun prantika
heheh
2015-06-02T20:10:17+05:30
When a solid is heated a vacancy defect may arise because of vacancy defect the density of the solid decreases because of the constituent particles.

hope helped u :))
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