Class 10 Chemistry simulations · Chemical Reactions and Equations

Types of chemical reactions

Watch reactants change into products for each type of reaction in the chapter, with the balanced equation and what you would observe.

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What to notice

In every balanced equation the number of atoms of each element is the same on both sides.

Key relation

Mass is conserved: atoms are only rearranged

Try this

Compare a combination reaction with a decomposition reaction: what is the difference?

What you can change

• Reaction: choose Combination: CaO + H₂O → Ca(OH)₂, Combination: 2Mg + O₂ → 2MgO, Decomposition (thermal): 2FeSO₄ → Fe₂O₃ + SO₂ + SO₃, Decomposition (electrolytic): 2H₂O → 2H₂ + O₂, Decomposition (photolytic): 2AgCl → 2Ag + Cl₂, Displacement: Fe + CuSO₄ → FeSO₄ + Cu, Double displacement (precipitation): Na₂SO₄ + BaCl₂ → BaSO₄↓ + 2NaCl, Redox: CuO + H₂ → Cu + H₂O

More in Chemical Reactions and Equations

• Finding oxidation numbers
• Redox: zinc in copper sulphate

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