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Question
Identify the endothermic and exothermic reaction.
HCl + NaOH → NaCl + H2O + heat
Options
Exothermic reaction
Endothermic reaction
Solution
HCl + NaOH → NaCl + H2O + heat- Exothermic reaction
RELATED QUESTIONS
What do you observe when Ammonia is brought in contact of hydrogen chloride.gas.
What do you observe when ammonium chloride is dissolved in water.
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
Explain the term with examples.
Endothermic reaction
Complete the following statement.
On heating, hydrated copper sulphate changes its colour from ________ to __________.
Name a nitrate which produces oxygen as the only gas.
What do you observe? When
Lead nitrate is heated.
State the following reaction whether heat is evolved or absorbed –
Two neutral gases on passage through an electric are given nitric oxide.
Give a balanced equation for the following type of reaction:
A catalytic, reversible, exothermic reaction.
Differentiate between the following:
A catalyst and a promoter.
Chemical reactions may proceed with evolution of heat. Give an example.
Complete the statement by filling in the blank with the correct word:
The reaction of hydrogen burning in oxygen to give a neutral liquid is an example of ________ reaction.
Write an Explanation.
Endothermic reaction
Classify the following reaction into Exothermic and Endothermic reactions.
Magnesium ribbon when burned in air, it forms magnesium oxide.
Respiration is a ______ change.
Give examples of the endothermic process.
Give examples for the exothermic process.
Give a 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.
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.
