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Questions and Answers
What type of reactions are discussed in the article?
What is the aim of the experiment discussed in the article?
What happens when calcium oxide is mixed in water?
What is the action of iron nails in CuSO4 considered as?
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What type of reaction occurs between NaSO4 and BaCl2?
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Study Notes
Types of Reactions
- Various chemical reactions are explored, including displacement and precipitation reactions.
- Displacement reactions involve one element replacing another in a compound.
- Precipitation reactions form a solid from soluble reactants in solution.
Aim of the Experiment
- The experiment is designed to demonstrate the characteristics of specific chemical reactions.
- It aims to observe the changes in reactants and products during the reactions.
Calcium Oxide and Water
- When calcium oxide (CaO) is mixed with water, it reacts exothermically to form calcium hydroxide (Ca(OH)2).
- This reaction releases heat and produces a strong alkaline solution known as limewater.
Action of Iron Nails in CuSO4
- The reaction of iron nails with copper(II) sulfate (CuSO4) is considered a displacement reaction.
- Iron displaces copper from the solution, resulting in the formation of iron(II) sulfate and elemental copper.
Reaction Between Na2SO4 and BaCl2
- The reaction between sodium sulfate (Na2SO4) and barium chloride (BaCl2) is a double displacement reaction.
- This reaction produces barium sulfate (BaSO4) as a precipitate and sodium chloride (NaCl) in solution.
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Description
Test your knowledge of different types of reactions with this CBSE Class 10 Science Practicals quiz. Explore combination, decomposition, displacement, and double displacement reactions as you learn the step-by-step procedures and concepts.