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प्रश्न
State the information provided by a chemical equation.
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उत्तर
Information provided by a chemical equation:
- It tells us the formulas and symbols of the reactants and products.
- It tells us the ratio in which substances react or are produced. If limitations are covered.
- It tells the physical state of substances i.e. solid, liquid, gas.
- Whether the reaction is endothermic or exothermic.
- Conditions for starting the reaction i.e. if the catalyst is needed or not.
- If reaction is reversible or not.
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संबंधित प्रश्न
Balance the following equation:
`Fe+ H_2O → Fe_3 O_4+H_2`
Balance the following equations Also name the products formed.
`K+CI_2→ KCI`
Balance the following important equation:
FeCl3 + NH4OH → NH4Cl + Fe(OH)3
Balance the following important equation:
\[\ce{NH4Cl + Ca(OH)2 → CaCl2 + H2O + NH3}\]
Balance the following important equation:
NH3 + O2 → NO + H2O (catalytic oxidation of NH3)
Balance the following important equation:
Ca(HCO3)2 + HNO3 → Ca(NO3)2 + H2O + CO2
Balance the following important equation:
S + HNO3 (conc.) → H2SO4 + H2O + NO2
A chemical reaction does not involve:
The following reaction is used for the preparation of oxygen gas in the laboratory
`2"KClO"_3("s") overset("Heat")underset("Catalyst")(->) 2"KCl"("s") + 3"O"_2 ("g")`
Which of the following statement(s) is(are) correct about the reaction ?
Ferrous sulphate decomposes with the evolution of a gas having a characteristic smell of burning sulphur. Write the chemical reaction involved and identify the type of reaction.
