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How to determine the melting point of sugar by using a thermometer?
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To determine the melting point of sugar, you can use a thermometer. Heat the sugar in a pan over medium-high heat until it melts and turns golden brown. Then, remove from heat and let cool for a few minutes before testing the temperature with your thermometer. The sugar should reach between 300°F (149°C) and 320°F (160°C).