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प्रश्न
Name the following:
A catalyst which increases the rate of a chemical reaction.
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उत्तर
Manganese dioxide (MnO2).
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संबंधित प्रश्न
Which of the following is not an endothermic reaction?
Balance the following chemical equation:
\[\ce{FeSO4 ->[Heat] Fe2O3 + SO2 + SO3}\]
Write word equation for the following skeletal equation:
\[\ce{Na + O2 -> Na2O}\]
Balance the following chemical equation :
FeS + HCl → FeCl2 + H2S
Write symbolic representation for the following word equation and balance them :
Aluminium + Chlorine → Aluminium chloride.
Balance the following equation. Also name the product formed.
`"Zn" + "HCI" → "ZnCI" _2 + "H"_2`
Balance the following equation. Also name the product formed.
PbCO3 → PbO +CO2
Balance the following simple equation:
H2S + Cl2 → S + HCl
Balance the given chemical reaction as per the instructions below.
\[\ce{NaOH + H2SO4 -> Na2SO4 + H2O}\]
Balance the equation with proper coefficient and rewrite the equation.
Which of the following is not a physical change?
