Baking Soda and Baking Powder Quiz

What is the main ingredient in baking soda?

• Sodium bicarbonate

• Sodium aluminum sulfate

• Sodium acid pyrophosphate

• Monocalcium phosphate

What happens when baking soda comes into contact with an acid?

• It denatures proteins

• It becomes a solid foam

• It creates bubbles of CO2

• It reacts immediately

Why is baking powder called 'double acting'?

• It reacts with two different acids

• It reacts twice as fast as baking soda

• It creates bubbles at different stages of the baking process

• It contains two ingredients

Which acid in baking powder reacts with sodium bicarbonate when wet?

• Sodium aluminum sulfate

• Sodium acid pyrophosphate

• Monocalcium phosphate

• Sodium bicarbonate

When does the second acid in baking powder start reacting with sodium bicarbonate?

• When it's dry

• When it's wet and hot

• When it's wet

• When it's hot

What gives chemically-leavened baked goods a solid structure?

• Gluten proteins

• Sodium bicarbonate

• Yeast

• Eggs

What happens to the proteins in eggs when exposed to heat?

• They create a solid foam

• They refold into their original shape

• They become denatured

• They trap air bubbles

What role do gluten proteins serve in chemically-leavened baked goods?

• They trap air bubbles

• They create a solid foam

• They denature proteins

• They become irreversibly denatured

Why does bread flour have more protein than cake flour?

• To create a solid foam

• To provide structure

• To trap air bubbles

• To denature proteins

Who is an associate professor in the Food, Bioprocessing and Nutrition Sciences Department at NC State?

• Monocalcium phosphate

• Kate Ter Haar

• Keith Harris

• Matt Shipman