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प्रश्न
Is Burning of natural gas an endothermic reaction or an exothermic reaction?
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उत्तर
Burning of natural gas: Exothermic reaction
Burning of natural gas releases a huge amount of heat energy.
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संबंधित प्रश्न
What is a balanced chemical equation? Why should a chemical equation be balanced?
Balance the following equation:
Na + O2 
Na2O
Write balanced chemical equation from the following information:
An aqueous calcium hydroxide solution (lime water) reacts with carbon dioxide gas to produce a solid calcium carbonate precipitate and water.
Write balanced chemical equation with state symbols for the following reaction:
Sodium hydroxide solution reacts with hydrochloric acid solution to produce sodium chloride solution and water.
Write word equation for the following skeletal equation:
\[\ce{Zn + HCl -> ZnCl2 + H2}\]
Write symbolic representation for the following word equation and balance them :
Calcium carbonate → Calcium oxide + Carbon dioxide.
Complete the following equation:
CH3COOH + NaOH →
Balance the equation stepwise.
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Balance the equation stepwise.
NaOH(aq) + H2SO4(aq) → Na2SO4(aq) + H2O(l)
Write the chemical equation for the following word equation and balance them.
Magnesium + Sulphuric acid → Magnesium sulphate + Hydrogen
Choose the correct answer from the options given below.
The formula of sodium carbonate is Na2CO3 and that of calcium hydrogen carbonate is
Write the balanced chemical equations of the following reactions.
chlorine + sulphur dioxide + water → sulphuric acid + hydrogen chloride
Write the balanced chemical equation of the following reaction.
copper + nitric acid → copper nitrate + nitric oxide + water
Write the balanced chemical equation of the following reaction.
ammonia + oxygen → nitric oxide + water
Answer the following question:
How do acids and bases react with each other? What is the name of the process? What product is obtained from these reactions?
Write word equation for the following molecular equation:
Na2SO3 + 2HCl [dil.] → 2NaCl + H2O + SO2 [g]
Give one example in the case where supplying energy [given below] is necessary for a chemical reaction.
Heat energy
An element X is trivalent. Write the balanced equation for the combustion of X in oxygen.
Balance the following simple equation:
NO + O2 → NO2
What are products? Explain with the help of example.
