Chemical reactions – Spot the...

The video tutorial discusses various processes such as cake baking, blending fruit, iron rusting, water boiling, and sugar dissolving. It explains that cake baking, coal burning, and iron rusting are examples of chemical reactions, while blending fruit, water boiling, and sugar dissolving are not considered chemical reactions.

Which of the following is an example of a process that involves a chemical change?

• Blending fruit

• Water boiling

• Cake baking

• Sugar dissolving

What type of change occurs when coal burns?

• Reversible change

• No change

• Chemical change

• Physical change

Which of the following processes is not a chemical reaction?

• Iron rusting

• Cake baking

• Coal burning

• Blending fruit

What happens when sugar dissolves in water?

• It undergoes a chemical reaction

• It becomes a new substance

• It remains unchanged

• It undergoes a physical change

Which process involves a chemical change: water boiling or iron rusting?

• Water boiling

• Iron rusting

• Both

• Neither