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Question
Complete the following statement.
On heating, hydrated copper sulphate changes its colour from ________ to __________.
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Solution
On heating, hydrated copper sulphate changes its colour from Blue to white.
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While preparing dilute sulphuric acid from concentrated sulphuric acid in the laboratory, the concentrated sulphuric acid is added slowly to water with constant stirring.
Give scientific reason.
While preparing dilute sulphuric acid from concentrated sulphuric acid in the laboratory, the concentrated sulphuric acid is added slowly to water with constant stirring.
