Understanding Chemical Reactions with Cream and Vinegar

What is the fat content range of heavy whipping cream?

• 36-40%

• 30-35%

• 20-25%

• 45-50%

What is a sign that a chemical reaction has occurred when mixing two liquids?

• The liquids evaporate

• A solid forms from the liquids

• The liquids change color

• The liquids become colder

What is the term for the solid formed when cream and vinegar are mixed?

• Suspension

• Precipitate

• Solution

• Emulsion

What does the experiment demonstrate about the mass of reactants and products?

• The mass of products is greater

• The mass of reactants is greater

• The mass of reactants equals the mass of products

• The mass of reactants is less than the mass of products

How does vinegar affect the casein protein in cream?

• It dissolves the protein

• It tangles the protein into curds

• It causes the protein to evaporate

• It has no effect on the protein