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Questions and Answers
What type of reaction is represented by the chemical equation: Zinc + Silver nitrate → Zinc nitrate + Silver?
What type of reaction is represented by the chemical equation: Zinc + Silver nitrate → Zinc nitrate + Silver?
- Decomposition reaction
- Double displacement reaction
- Displacement reaction (correct)
- Combination reaction
Why are decomposition reactions considered the opposite of combination reactions?
Why are decomposition reactions considered the opposite of combination reactions?
- They result in the formation of more complex compounds.
- They always require energy input for the reaction to proceed.
- They release energy in the form of heat and light.
- They involve the breakdown of molecules into simpler substances. (correct)
Which type of reaction is characterized by the absorption of heat from the surroundings?
Which type of reaction is characterized by the absorption of heat from the surroundings?
- Displacement reaction
- Endothermic reaction (correct)
- Exothermic reaction
- Double displacement reaction
In the equation: Magnesium + Hydrochloric acid → Magnesium chloride + Hydrogen, what role does hydrochloric acid play?
In the equation: Magnesium + Hydrochloric acid → Magnesium chloride + Hydrogen, what role does hydrochloric acid play?
Which type of reaction is represented by the equation: Potassium bromide(aq) + Barium iodide(aq) → Potassium iodide(aq) + Barium bromide(s)?
Which type of reaction is represented by the equation: Potassium bromide(aq) + Barium iodide(aq) → Potassium iodide(aq) + Barium bromide(s)?
Why is respiration considered an exothermic reaction?
Why is respiration considered an exothermic reaction?
What happens in a double displacement reaction?
What happens in a double displacement reaction?
Which of the following is not a characteristic of a displacement reaction?
Which of the following is not a characteristic of a displacement reaction?
What is the distinguishing feature of a decomposition reaction where energy is supplied in the form of electricity?
What is the distinguishing feature of a decomposition reaction where energy is supplied in the form of electricity?
Which statement best describes a precipitation reaction?
Which statement best describes a precipitation reaction?
