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Questions and Answers
Which of the following elements is commonly used as a catalyst in organic chemistry?
Which of the following elements is commonly used as a catalyst in organic chemistry?
- Sodium
- Platinum (correct)
- Iron
- Copper
What is the primary function of a buffer solution in chemistry?
What is the primary function of a buffer solution in chemistry?
- To increase the rate of a chemical reaction
- To enhance the color intensity of a solution
- To maintain the pH of a solution (correct)
- To decrease the solubility of a solute
Which of the following is a characteristic of an exothermic reaction?
Which of the following is a characteristic of an exothermic reaction?
- Decrease in temperature of the surroundings
- Release of heat to the surroundings (correct)
- Increase in entropy of the surroundings
- Absorption of heat from the surroundings
