What has a sharp, sour, tangy taste - acid, neutral, or alkali?
acid
If the pH is 4 - what type of substance is it? (strong acid, weak acid, neutral, weak alkali, strong alkali)
weak acid
What is the name of a chemical that changes different colors in acid and alkalis?
indicators
Acids are corrosive. What does corrosive mean?
it can dissolve skin & other substances
In alkalis, LITMUS turns what color?
blue
In strong acids, universal indicator turns what color?
red
If universal indicator is mixed with pure water, what color will you see?
green
What is the name of this equipment?
burette
When an acid reacts with an alkali, this is called a ___ reaction.
neutralization
What is the pH inside your stomach - acid, alkali, or neutral?
acid
What is the pH of this indigestion medicine - acid, alkali, or neutral?
alkali
What is used to neutralize acidic lakes and soil?
lime
What is the pH of toothpaste - acid, alkali, or neutral?
alkali
Suggest the pH of lemon juice.
2-3
If a substance turns litmus red, what is it - acid, alkali, or neutral?
acid
