Directions: Are based on the graph given below:
Solubility-Temperature relationships for various salts.
(The Y-axis denotes Solubility (kg/litre of water))

By what % is the solubility of Potassium Chlorate in water increased as the water is heated from 30°C to 80°C?.

A. 100

B. 200

C. 250

D. 300

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