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प्रश्न
State the following reaction whether heat is evolved or absorbed –
Two neutral gases combine to give a basic gas.
उत्तर
Nitrogen gas and hydrogen gas give NH3 (ammonia a basic gas).
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संबंधित प्रश्न
State the effect of an endothermic reaction.
Explain the term with examples.
Endothermic reaction
Identify the endothermic and exothermic reaction.
HCl + NaOH → NaCl + H2O + heat
Name a compound which produces carbon dioxide on heating.
State which type of chemical reaction proceeds with the absorption of heat energy.
Chemical reactions may proceed with absorption of heat. Give an example.
Explain the term energy changes in a chemical change or reaction.
Select the correct answer from the options given below:
State the gaseous product formed, when
An exothermic reaction takes place between ammonia and neutral gas.
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.
Give scientific reason.
While preparing dilute sulphuric acid from concentrated sulphuric acid in the laboratory, the concentrated sulphuric acid is slowly added to water with constant stirring.
