CBSE Class 9 Answered
Does Sugar and Salt mix when they are heated in a beaker together?
Asked by Aditya Singh | 28 Jun, 2014, 01:55: PM
Expert Answer
Sugar and Salt will not get chemically mixed when they are heated in a beaker together.
This is because, when both salt and sugar is heated in the glass beaker on a hot plate; within a few minutes, the sugar starts melting. The melted sugar turns brown and begins to smoke. Finally, the melted sugar turns black and becomes a solid. Melting Point of Sugar is 146oC
Salt will also melt but it requires a much higher temperature due to the higher lattice energy that salt has due to its strong ionic bonds. Melting Point of Salt is 801oC. Hence, salt will not melt in a glass beaker. The beaker may get cracked.
Answered by Hanisha Vyas | 30 Jun, 2014, 12:15: PM
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