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Subject :NSO    Class : Class 9

The given figure shows the distillation of an aqueous solution of sodium chloride :

What is the temperature shown by the thermometer and what is left in the distillation flask?

A< 100 ------------------ White residue
B85 ---------------------- No residue
C100 --------------------- No residue
D> 100 ------------------ White residue

but the water will start boiling at 100degree

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