MEDIUM
MYP:4-5
IMPORTANT
Earn 100
Sketch a diagram representing the particles in a concentrated solution and a dilute solution.
Important Questions on What are the Impacts of Chemical Industry?
MEDIUM
MYP:4-5
IMPORTANT
Explain the difference in the meaning of concentrated solution and a dilute solution with an example.
MEDIUM
MYP:4-5
IMPORTANT
Explain why the strong acids or base required more dilutions to reach same pH as the weak acids or base.
MEDIUM
MYP:4-5
IMPORTANT
Explain why pH is measure of concentration, rather than of acid strength.
MEDIUM
MYP:4-5
IMPORTANT
A student completing a science fair project decided to test the effects of soda drinks on tooth decay. She obtained sheep teeth from her local butcher, and tested them by covering them with various soft drinks. State the acid/s found in soda drinks.
MEDIUM
MYP:4-5
IMPORTANT
A student completing a science fair project decided to test the effects of soda drinks on tooth decay. She obtained sheep teeth from her local butcher, and tested them by covering them with various soft drinks. Predict the reaction she might expect to observe.
MEDIUM
MYP:4-5
IMPORTANT
A student completing a science fair project decided to test the effects of soda drinks on tooth decay. She obtained sheep teeth from her local butcher, and tested them by covering them with various soft drinks. It is valid to transfer the results of her experiment directly to the context of a human consuming soda drinks? Explain your reasoning.
MEDIUM
MYP:4-5
IMPORTANT
The following word equation shows how metal hydroxides react with ammonium compounds:
Sodium hydroxide (s) Ammonium chloride (aq) Sodium chloride (aq) Water (l) Ammonia (g)
Identify the ionic compounds in the reaction.
MEDIUM
MYP:4-5
IMPORTANT
The following word equation shows how metal hydroxides react with ammonium compounds:
Sodium hydroxide (s) Ammonium chloride (aq) Sodium chloride (aq) Water (l) Ammonia (g)
Formulate a balanced equation for the reaction.
