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प्रश्न
Select the correct answer from the options given below:
State the gaseous product formed, when
Two gases one of them neutral combines by absorption of light energy.
विकल्प
Ammonia
Hydrogen chloride
Hydrogen
Nitrogen dioxide
Nitric oxide
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उत्तर
Hydrogen chloride
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संबंधित प्रश्न
Define endothermic reactions. Give two examples of each.
MULTIPLE CHOICE QUESTIONS
Tick the most appropriate answer.
Heat energy is evolved in these reactions
- Thermal decomposition reactions
- Exothermic reactions
- Endothermic reactions
- None of these
Identify the endothermic and exothermic reaction.
\[\ce{CaCO_{3(s)}->[\Delta] CaO_{(s)} + CO2}\]
Name a carbonate which do not decompose on heating.
Give an example of the following chemical changes.
An exothermic and an endothermic reaction involving carbon as one of the reactants.
Write an Explanation.
Endothermic reaction
Classify the following reaction into Exothermic and Endothermic reactions.
Magnesium ribbon when burned in air, it forms magnesium oxide.
True or False. If false, give the correct answer.
Tarnishing of silver is an example of endothermic change.
Give examples of the endothermic process.
Give scientific reasons.
While preparing dilute sulphuric acid from concentrated sulphuric acid in the laboratory, the concentrated sulphuric acid is added slowly to water with constant stirring.
