In a physical change the nature of substance remains same . The properties remains same. But in case of chemical change the new kind of substance is formed, with different nature. “Sublimation is a process in which a substance changes its state from solid into vapour directly”. So the point to note here is thatContinue reading “Is sublimation a chemical change or a physical change ?”
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Various separating methods
We come across the various kind of mixtures in our daily life that have different kind of components and sometimes we have to separate the components for our benefit and there comes the need of separation in our day to day life. we do separation by using different kind of separating techniques. some techniques AreContinue reading “Various separating methods”
The Unconditional Guru 