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प्रश्न
Identify the endothermic and exothermic reaction.
HCl + NaOH → NaCl + H2O + heat
विकल्प
Exothermic reaction
Endothermic reaction
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उत्तर
Exothermic reaction
संबंधित प्रश्न
State the effect of an endothermic reaction.
Identify the endothermic and exothermic reaction.
\[\ce{2KClO_{3(s)}->[\Delta] 2KCl_{(s)} + 3O2}\]
Give an example of the following chemical changes.
A photochemical reaction involving silver salt.
Complete the following statement.
On heating, hydrated copper sulphate changes its colour from ________ to __________.
State the effects of endothermic and exothermic reactions on the surroundings.
Name a carbonate which do not decompose on heating.
State the following reaction whether heat is evolved or absorbed –
Two neutral gases on passage through an electric are given nitric oxide.
Complete the statement by filling in the blank with the correct word:
The reaction of coke with steam to give water gas is an example of an __________ reaction.
Chemical reactions may proceed with absorption of heat. Give an example.
Explain the term energy changes in a chemical change or reaction.
Give an example with a balanced equation, of the following reaction:
exothermic reaction
Give an example with a balanced equation, of the following reaction:
endothermic reaction
Give an example with a balanced equation, of the following reaction:
electrochemical reaction
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.
True or False. If false, give the correct answer.
Tarnishing of silver is an example of endothermic change.
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.
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.
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.
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.
