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प्रश्न
Give an example of an endothermic reaction.
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उत्तर
\[\ce{N2 + O2⇌[\Delta]2NO}\]
ΔT is an endothermic reaction.
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संबंधित प्रश्न
State the effect of an exothermic reaction on the surroundings.
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
FILL IN THE BLANK
In a................ reaction heat energy is absorbed.
Identify the endothermic and exothermic reaction.
HCl + NaOH → NaCl + H2O + heat
Identify the endothermic and exothermic reaction.
\[\ce{2KClO_{3(s)}->[\Delta] 2KCl_{(s)} + 3O2}\]
Complete the following statement.
On heating, hydrated copper sulphate changes its colour from ________ to __________.
Why energy is involved in a chemical change?
State the following reaction whether heat is evolved or absorbed –
Two neutral gases on passage through an electric are given nitric oxide.
Give examples of the endothermic process.
Give scientific reason.
While preparing dilute sulphuric acid from concentrated sulphuric acid in the laboratory, the concentrated sulphuric acid is added slowly to water with constant stirring.
