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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.
APPEARS IN
संबंधित प्रश्न
Differentiate between:
Reactants and products.
Balance the following equation. Also name the products formed.
Ag +S → `Ag_2 S`
Write a balanced molecular equation for the following word equation:
\[\ce{Calcium + water->Calcium hydroxide + hydrogen}\]
Balance the following equation:
\[\ce{K + H2O->KOH + H2}\]
Underline the incorrectly balanced compound equation and rewrite the correct equation.
\[\ce{Fe2O3 + 2H2->2Fe + 3H2O}\]
Balance the following important equation:
Ca(HCO3)2 + HNO3 → Ca(NO3)2 + H2O + CO2
Balance the following important equation:
Cu + H2SO4 (conc.) → CuSO4 + H2O + SO2
A teacher gave two test tubes to the students, one containing water and the other containing sodium hydroxide. She asked them to identify the test tube containing sodium hydroxide solution. Which one of the following can be used for identification?
Which of the following is true for an unbalanced chemical equation?
Complete the missing component /variable given as x and y in the following reactions
`"Zn"("s") + "H"_2"SO"_4("aq") -> "ZnSO"_4(x) + "H"_2("y")`
