Eksperimen endotermik dan eksotermik

When solid sodium hydroxide (NaOH) is dissolved in water, what type of reaction occurs?

• Endothermic

• Exothermic

• Neutralization

• Precipitation

What type of reaction occurs when solid sodium thiosulphate (Na2S2O3) is dissolved in water?

• Exothermic

• Endothermic

• Oxidation

• Reduction

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What type of reaction absorbs heat from its surroundings, causing the temperature to decrease?

• Exothermic

• Endothermic

• Neutralization

• Combustion

Which of the following reactions are classified as endothermic?

• Solid sodium hydroxide + water and Solid calcium chloride + water

• Solid sodium hydroxide + water and Solid sodium thiosulphate + water

• Solid calcium chloride + water and Solid ammonium chloride + water

• Solid sodium thiosulphate + water and Solid ammonium chloride + water

Which of the following reactions are classified as exothermic?

• Solid sodium hydroxide + water and Solid calcium chloride + water

• Solid sodium hydroxide + water and Solid sodium thiosulphate + water

• Solid calcium chloride + water and Solid ammonium chloride + water

• Solid sodium thiosulphate + water and Solid ammonium chloride + water