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प्रश्न
Balance the following chemical equation :
FeS + HCl → FeCl2 + H2S
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उत्तर
FeS + 2HCl → FeCl2 + H2S
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संबंधित प्रश्न
What is wrong with the following chemical equation?
Mg + O → MgO
Correct and balance it.
Balance the given equation:
BaCI2 + H2SO4 
BaSO4 + HCI
When hydrogen is passed over copper oxide, copper and steam are formed. Write a balanced equation for this reaction and state which of the chemicals are reactants.
Explain, with example, how the physical states of the reactants and products can be shown in a chemical equation.
Which of the following does not involve a chemical reaction?
The chemical reaction between two substances is characterised by a change in colour from orange to green. These two substances are most likely to be:
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\[\ce{NaOH + H2SO4 -> Na2SO4 + H2O}\]
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Ag(s) + HCl(aq) → AgCl ↓+ H2 ↑
With reference to a chemical equation state which of the statements 1 to 5 pertain to A or B.
A: Information provided by a chemical equation.
B: Limitations of a chemical equation.
- The nature of the individual elements.
- The speed of the reaction.
- The state of matter in which the substance is present.
- The completion of the reaction.
- The direction of the reaction.
Underline the compound in the equation given below, it is incorrectly balanced and write the correct balancing for the same.
NaOH + CO2 → Na2CO3 + H2O
