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प्रश्न
What is the chemical equation. How is it represented?
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उत्तर
“Chemical equation is a short form – representing the result of a chemical change.”
OR
“Is the representation of a chemical change.”
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संबंधित प्रश्न
Why it is necessary to balance a chemical equation ?
What are the ways by which a chemical equation can be made more informative ?
Write a balanced chemical equation for the following word equation:
Iron + Chlorine → Iron (III) chloride
Balance the following equation:
`Fe +O_2 → Fe_3 O_4`
Underline the incorrectly balanced compound equation and rewrite the correct equation.
\[\ce{ZnO + 3NaOH->Na2ZnO2 + H2O}\]\
Balance the following important equation:
NH3 + Cl2 → HCl + NCl3 [nitrogen trichloride]
Balance the following important equation:
HNO3 → H2O + NO2 + O2
Solid calcium oxide reacts vigorously with water to form calcium hydroxide accompanied by liberation of heat. This process is called slaking of lime. Calcium hydroxide dissolves in water to form a solution called lime water. Which among the following is (are) true about slaking of lime and the solution formed?
- It is an endothermic reaction
- It is an exothermic reaction
- The pH of the resulting solution will be more than seven
- The pH of the resulting solution will be less than seven
Complete the missing component /variable given as x and y in the following reactions :
`"Pb"("NO"_3)_2("aq") + 2"Kl"("aq") -> "Pbl"_2(x) + 2"KNO"_3("y")`
Complete and balance the following equation:
\[\ce{CuSO4 + NH3OH ->}\]
