10 Questions
Which type of reaction involves breaking down a single compound into two or more simpler substances?
Decomposition reaction
In a decomposition reaction, when energy is supplied in the form of heat, what is the likely result?
Release of energy
Which of the following is an example of a decomposition reaction where energy is supplied in the form of light?
CaCO₃ → CaO + CO₂
Why are decomposition reactions considered the opposite of combination reactions?
Decomposition reactions form simpler substances, while combination reactions form complex compounds
Which reaction involves the interchange of ions between two compounds to form new compounds?
Double displacement reaction
In the refining of silver, what type of reaction is involved when copper displaces silver from a silver nitrate solution?
Displacement reaction
What characterizes a precipitation reaction?
Formation of a solid from a solution
Which statement best describes respiration as an exothermic reaction?
$\text{CO}_2$ is released during respiration
'Hydrogen chloride(g)' is an example of a product in which type of reaction?
'Hydrogen + Chlorine → Hydrogen chloride'
What distinguishes double displacement reactions from displacement reactions?
Double displacement reactions involve exchanging ions between compounds, while displacement reactions involve one element displacing another in a compound.
Explore the topic of chemical reactions and equations, specifically focusing on the breakdown of carbohydrates to form glucose and its combination with oxygen to provide energy. Learn about the process of respiration and identify different types of reactions, including exothermic reactions.
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