This question cannot be answered without the context of the quiz itself. However, I can explain the words/phrases in bold from the shopping list:
- White sugar: Refined sugar, commonly used for sweetening.
- Frozen chips: French fries that have been pre-cut and frozen for later cooking.
- A bottle of cola: A soft drink usually packaged in a bottle.
- A packet of crisps: Potato chips, typically sold in a sealed packet.
- Frozen pizza: A pizza that has been pre-made and frozen, ready to be baked.
- A tub of ice cream: Ice cream stored in a plastic or cardboard container (tub).
- Mayonnaise: A creamy condiment often used in sandwiches and salads.