Advertisements
Advertisements
Question
Complete the following statement.
On heating, hydrated copper sulphate changes its colour from ________ to __________.
Solution
On heating, hydrated copper sulphate changes its colour from Blue to white.
APPEARS IN
RELATED QUESTIONS
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.
Give an example of the following chemical changes.
A reaction involving blue solution.
Why energy is involved in a chemical change?
State which type of chemical reaction proceeds with evolution of heat energy.
State which type of chemical reaction proceeds with the absorption of heat energy.
Write an Explanation.
Endothermic reaction
Respiration is a ______ 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 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.