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Is Burning of Natural Gas an Endothermic Reaction Or an Exothermic Reaction? - Science

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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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अध्याय 1: Chemical Reactions and Equations - Exercise 1 [पृष्ठ २१]

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लखमीर सिंग Chemistry (Science) [English] Class 10
अध्याय 1 Chemical Reactions and Equations
Exercise 1 | Q 35.5 | पृष्ठ २१

वीडियो ट्यूटोरियलVIEW ALL [4]

संबंधित प्रश्न

Translate the following statement into chemical equation and then balance it.

Potassium metal reacts with water to give potassium hydroxide and hydrogen gas.


Complete and balance the following equation:

CA (OH)2  +  .............          CaCO3    +   H2O


Balance the given equation:

Mg(OH)2  + HCI    MgCI + H2O


Balance the given equation:

BaCI2 + H2SO4  BaSO4 + HCI


Substitute formulae for names and balance the following equation:
Calcium carbonate reacts with hydrochloric acid to produce calcium chloride, water and carbon dioxide gas.


Give one example of a chemical reaction characterised by change in state.


What information do you get from the equation H2+ Cl2  →  2HCl ?


Write your observation for the following chemical reaction and name the product formed:

When sugar is heated.


Write word equation for the following molecular equation:

\[\ce{CaCO3 + 2HCl ->[\triangle] CaCl2 + H2O + CO2 [g]}\]

Word equation:

State which characteristic does [g] in the above reaction indicate. The word equation of:


Write word equation for the following chemical reaction given below. Also state the observation seen in the case.

Pb(NO3)2 + 2NH4OH → 2NH4N03 + Pb(OH)2↓


\[\ce{2KClO3->[MnO2] 2KCl + 3O2[g] - is a balanced equation.}\]

Give a reason why the above equation is balanced.


Balance the following simple equation:

C   +   O2  →  CO


Balance the following simple equation:

Al   +   N2  →  AlN 


Balance the following simple equation:

K   +   CO2   →    K2O   +   C


Balance the following simple equation:

Zn  +   NaOH  →   Na2ZnO2   +   H2 


Balance the following simple equation:

CaO  +  HCl  →  CaCl2  +  H2


Write a balanced equation for the following word equation:

Nitrogen dioxide + Water + Oxygen → Nitric acid


Write the skeleton equation for the following word equation and then balance them.

  1. Carbon + Oxygen → Carbon dioxide.
  2. Phosphorus + Chlorine → Phosphorus pentachloride.
  3. Sulphur + Oxygen → Sulphur dioxide.
  4. Magnesium + hydrogen → Magnesium + Hydrogen chloride chloride.

Reema took 5ml of Lead Nitrate solution in a beaker and added approximately 4ml of Potassium Iodide solution to it. What would she observe?


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