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2023 BGCSE Combined Science Paper-1 Question-28
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Q-50
An acid and an alkali are mixed as shown in the diagram. A reaction occurs and the temperature change is measured. Which statement best describes the reaction?
The reaction is endothermic, the temperature decreases.
The reaction is endothermic, the temperature increases.
The reaction is exothermic, the temperature decreases.
The reaction is exothermic, the temperature increases.
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