Jeopardy Science 9 Chapter Six

Reaction Rates/Dissolving Rates Acids/Bases Mixtures pH 100 100 100 100 200 200 200 200 300 300 300 300 400 400 400 400 500 500 500 500

What do you call mixtures that suspensions What do you call mixtures that settle out into layers? Row 1, Col 1

Increasing the temperature of a reaction will do what to Increase it Increasing the temperature of a reaction will do what to the reaction rate? 1,2

Acids taste __________. Sour Acids taste __________. 1,3

Acids have what pH numbers? 0 - 6 Acids have what pH numbers? 1,4

What is the difference between heterogeneous mixtures? Homogeneous mix well, same throughout. Heterogeneous are not uniformly mixed. What is the difference between homogeneous and heterogeneous mixtures? 2,1

Why does cutting a candy bar into pieces help it to melt faster? More surface area. Why does cutting a candy bar into pieces help it to melt faster? 2,2

Acids turn litmus ________ and bases turn litmus _______. Red, blue Acids turn litmus ________ and bases turn litmus _______. 2,3

What natural substance can be Red cabbage juice What natural substance can be used to test for pH? 2,4

Gelatin is an example of what colloid Gelatin is an example of what type of mixture? 3,1

What type of solution cannot dissolve any more solute – saturated What type of solution cannot dissolve any more solute – unsaturated, saturated, or supersaturated? 3,2

Acids give away/accept H+ ions? 3,3

Ammonia is a(n) acid/base. Base, pH = 12 Ammonia is a(n) acid/base. 3,4

A mixture that combines two emulsion A mixture that combines two things that normally wouldn’t combine is called what? 4,1

So many things dissolve in it. Why is water called the universal solvent? 4,2

Bases release what ions when OH- (hydroxide) Bases release what ions when combined with water? 4,3

Neutralize stomach acid. What do antacids do? 4,4

You have a solution of silver nitrate (found in hair dyes) and Solute = silver nitrate, solvent = water You have a solution of silver nitrate (found in hair dyes) and water. Identify the solute and the solvent. 5,1

What type of solution holds more dissolved solute than it normally Supersaturated What type of solution holds more dissolved solute than it normally can – unsaturated, saturated, or supersaturated? 5,2

This helps determine if something is an acid or a base. pH scale, litmus paper, cabbage jc (Indicators) This helps determine if something is an acid or a base. 5,3

You add sodium bicarbonate to citric acid. Predict what the Sodium bicarbonate is a base. Adding it to the acid will neutralize it. So the pH value heads towards neutral (7). You add sodium bicarbonate to citric acid. Predict what the pH value will do. 5,4