Q. 265.0( 1 Vote )
i) Why su
i) Conc.H2SO4 is a dehydrating agent. Sugar is C12H22O11. When conc. H2SO4 reacts with sugar, it removes hydrogen and oxygen atoms from the sugar molecules in the form of water, leaving behind carbon. So sugar becomes black or get charred with conc. H2SO4. C12H22O11 12C(s) + 11H2O(l)ii) Blue colour of crystalline copper sulphate is due to five water molecules of hydration in CuSO4 5H2O.
Rate this question :
How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
History - Concept and Questions57 mins
Revision on Substitution and Elimination Method44 mins
Heights and Distances - I54 mins
Heights and Distances - II45 mins
Trigo Marathon Part 146 mins
Trigo Marathon Part 245 mins
Arithmetic Progression and 'nth' Term of AP55 mins
Application of Trigo Important Questions44 mins
Economics - Concept and Questions59 mins
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
view all courses
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation