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प्रश्न
Differentiate between:
Reactants and products.
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उत्तर
Reactants
- The substances that react with one another are called reactants.
- Reactants are written on the left hand side of equation.
Products
- The new substances formed are called products.
- Products are written on the right hand side of equation.
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संबंधित प्रश्न
Write balanced chemical equations for the following word equation:
Magnesium + oxygen → Magnesium oxide
Define chemical reaction.
Balance the following equation:
\[\ce{Fe + Cl2->FeCl3}\]
Underline the incorrectly balanced compound equation and rewrite the correct equation.
\[\ce{2Al + 2H2SO4->Al2(SO4)3 + 3H2}\]
Balance the following important equation:
FeCl3 + NH4OH → NH4Cl + Fe(OH)3
Balance the following important equation:
Fe + HCl → FeCl2 + H2
Balance the following important equation:
NaCl + H2SO4 → Na2SO4 + HCl
Which of the following are combination reactions?
- `2"KClO"_3 overset("Heat")(->) 2"KCl" + 3"O"_2`
- `"MgO" + "H"_2"O" -> "Mg"("OH")_2`
- `4"Al" + 3"O"_2 -> 2"Al"_2"O"_3`
- `"Zn" + "FeSO"_4 -> "ZnSO"_4 + "Fe"`
Write the balanced chemical equations for the following reactions and identify the type of reaction in each case.
- Iron (III) oxide reacts with aluminum and gives molten iron and aluminum oxide.
- Magnesium ribbon is burnt in an atmosphere of nitrogen gas to form solid magnesium nitride.
- Chlorine gas is passed in an aqueous potassium iodide solution to form potassium chloride solution and solid iodine.
- Ethanol is burnt in air to form carbon dioxide, water and releases heat.
A substance X, which is an oxide of a group 2 element, is used intensively in the cement industry. This element is present in bones also. On treatment with water it forms a solution which turns red litmus blue. Identify X and also write the chemical reactions involved.
