Advertisements
Advertisements
Question
State which type of chemical reaction proceeds with the absorption of heat energy.
Advertisements
Solution
Endothermic reactions.
APPEARS IN
RELATED QUESTIONS
What do you observe when Ammonia is brought in contact of hydrogen chloride.gas.
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
Give scientific reasons.
While preparing dil. Sulphuric acid from concentrated conc. sulphuric acid in the laboratory the concentrated sulphuric acid is, add slowly to water with constant stirring.
Complete the following statement.
On heating, hydrated copper sulphate changes its colour from ________ to __________.
State the following reaction whether heat is evolved or absorbed –
Two neutral gases combine to give a basic gas.
Give an example of an endothermic reaction.
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 slowly added to water with constant stirring.
