Acid and Base Quizs

The Law of Conversation of Mass

• Mass can be created and destroyed in chemical reactions.

• Mass can be isolated and can't be destroyed or created but can transformed from one form to another.

• Mass is only relevant in physical changes, not chemical changes.

• Mass can be converted into energy but not transformed into other forms.

Acid found in stomach

• HCL

• H2SO4

• CH3COOH

• NaOH

Blue Litmus

Acid - ?

Base - ?

• Acid - turns blue, Base - turns red

• Acid - turns red, Base - stays blue

• Acid - stays blue, Base - turns red

• Acid - turns yellow, Base - turns green

How do you know if its a balanced equation?

• It has the same number and type of each atom on both sides of the equation

• It has unequal numbers of atoms on both sides of the equation

• It contains only one type of atom

• It has more products than reactants

Neutral Substances have a pH of

• 5

• 7

• 9

• 10

2 properties for acids

• Sour taste and corrosive

• Sweet taste and non-corrosive

• Bitter taste and flammable

• Salty taste and stable

Acid and base react to form what type of compound?

• salt

• sugar

• water

• alcohol

Chemical that has a pH > 7 on the pH scale

• Acid

• Neutral

• Base

• Salt

Name things you can do to increase the rate of a chemical reaction

• Decreasing the amount of reactants

• Increasing the amount of reactants

• Lowering the temperature

• Reducing the surface area of reactants

What happens to an indicator in a neutral solution?

• It changes color to red

• It doesn't change

• It changes color to blue

• It becomes opaque