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प्रश्न
Balance the following simple equation:
K + CO2 → K2O + C
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उत्तर
4K + CO2 → 2K2O + C
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संबंधित प्रश्न
Give one example of an exothermic reaction.
You are given the solution of lead nitrate. In order to obtain a yellow precipitate you should mix with it a solution of:
(a) potassium chloride
(b) potassium nitride
(c) potassium sulphide
(d) potassium iodide
Write word equation for the following skeletal equation:
\[\ce{KNO3 -> KNO2 + O2}\]
Balance the following chemical equation :
H2 + O2 → H2O
Balance the following equation. Also name the product formed.
`"KCIO"_3 → "KCI" +"O"_2`
Write down what you understood from the following chemical reaction.
AgNO3(aq) + NaCI(aq) → AgCI ↓ + NaNO3(aq)
State the information conveyed by the following equation:
Zn(s) + 2HCl(aq) → ZnCl2(aq) + H2 ↑
Write word equation for the following molecular equation:
FeSO4 + 2NaOH →Na2SO4 + Fe(OH)2 ↓
Word equation:
State why [↓] indication is seen after Fe(OH)2 and not after Na2SO4
Write word equation for the following molecular equation:
\[\ce{CuSO4 + 2NaOH -> Na2SO4 + Cu(OH)2↓}\]
Word equation:
State the colour of the products.
\[\ce{2KClO3->[MnO2] 2KCl + 3O2[g] - is a balanced equation.}\]
State why the compound MnO2 is written above the arrow.
