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2019 BGCSE Combined Science Paper-1 Question-49
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Q-50
The table shows the temperature change when two salts are added to water.
dissolving of both salt X and salt Y is exothermic
dissolving of both salt and salt Y is endothermic
dissolving of salt X is endothermic and dissolving and salt Y is exothermic
dissolving of salt X is exothermic and dissolving and salt Y is endothermic
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