acids + alkalis

• sodium chloride

  salt formed from neutralization reaction between hydrochloric acid and sodium hydroxide
• barium sulphate

  salt formed from neutralization reaction between sulphuric acid and barium hydroxide
• magnesium phosphate

  salt formed from neutralization reaction between phosphoric acid and magnesium hydroxide
• ammonium ethanoate

  salt formed from neutralization reaction between ethanoic acid and ammonium hydroxide
• sodium nitrate

  salt formed from neutralization reaction between nitric acid and sodium hydroxide
• red litmus paper

  indicator paper used to detect alkalis
• blue litmus paper

  indicator paper used to detect acids
• universal indicator solution

  indicator solution used to determine pH value using a color scale
• concentrated

  a word to describe a "strong" solution with little or no water added
• dilute


  a word to describe a solution that has had water added to it
• neutralization

  a type of reaction that produces a salt and water
• sodium chloride


  scientific name for table salt
• magnesium sulphate


  a salt found in bath salts
• potassium nitrate


  a salt used in the production of matches
• 1


  pH of stomach
• 5.5


  pH of skin
• 8


  pH of small intestine
• 7


  pH of saliva
• independent variable

  variable that is manipulated in an experiment or deliberately changed
• dependent variable

  variable that is being measured in an experiment
• controlled variable

  variable that is kept constant through an experiment
• acid

  general name for a type of substance that has a pH value between 1 and 6
• alkali

  general name for a type of substance that has a pH value between 8 and 12
• acid

  a type of substance that may have a sour taste
• alkali


  a type of substance that may have a bitter taste and/or be slippery
• acid

  oranges, lemons, limes, soda, and other substances belong to this group
• alkali

  soaps, detergent, baking soda, toothpaste, and other substances belong to this group
• red

  the color of the universal indicator scale that indicates a substance is strongly acidic
• purple

  the color of the universal indicator scale that indicates a substance is strongly alkali
• green

  the color of the universal indicator scale that indicates a substance is neutral
• citric acid

  the acid used in a neutralization reaction to form sodium citrate
• corrosive

  a word to describe having the ability to "eat-away" using by a chemical reaction
• bacteria

  the living organism responsible for creating acidic conditions in the mouth
• evaporation

  a process used to separate salt from water (these are the products of a neutralization reaction)
• salt, water


  the products of a neutralization reaction
• lime


  alkali used by farmers to reduce the acidity of their soil
• calcium hydroxide


  alkali used by farmers to reduce the acidity of their soil
• 5.5


  skin care products should probably have a pH around this value
• vinegar


  a household food item that could could turn universal indicator solution orange or yellow
• gloves

  safety product to be used for preventing irritation of skin when handling corrosive chemicals