Acids Alkali's and Mixtures Flashcards
What type of taste do acids tend to have?
A sour taste
What do do alkali’s tend to be like?
“Soapy”
What are examples of acids?
Fruits - Citric Acid
Vinegar - Ethanoic Acid
Fizzy Drinks
What are examples of alkali’s?
Cleaning products
Oven Cleaner
Toilet Cleaner
What color pH is neutral?
Green
What number pH is neutral?
7
What number pH are acids?
1-6
What number pH are alkali’s?
8-14
What is pH
Power of Hydrogen
Whats an indicator?
a chemical that changes in a acid or alkali
What a Universal Indicator?
Universal indicator uses colored dyes to indicate if a chemicals a acid or an alkali using the pH scale
What colors are acids (on the pH scale)?
Red (Strongest to weakest
Orange top to bottom)
Yellow
What colors are alkali’s (on the pH scale)?
Turquoise (Weakest to strongest
Blue top to bottom)
Purple
Acid + Alkali =
Salt + Water
Acid + Metal =
Salt + Hydrogen
Acid + Metal Carbonate =
Salt + Water + Carbon Dioxide
What happens if you mix a acid and a alkali together?
They neutralize each other
Is a bee sting acidic or an alkali?
Acidic
Is a wasp sting acidic or an alkali?
Alkali
Whats a mixture?
Two substances that aren’t joined together
What happens to the properties of the substances?
They keep their own properties
Are mixtures easy to seperate?
Yes