Suspected appliance explosion rips through building, kills three

The video tutorial discusses the concept of accidental combustion in chemistry, highlighting the role of certain chemicals. It also touches upon the properties of flexible metals, providing insights into their applications and characteristics.

What is a key characteristic of accidental combustion?

• It is always intentional.

• It involves a planned chemical reaction.

• It occurs without deliberate initiation.

• It requires a catalyst.

Which of the following best describes an independent chemical reaction?

• It needs a specific environment to proceed.

• It is dependent on temperature changes.

• It happens without external intervention.

• It requires external influence to occur.

What is Mozambique mentioned in relation to?

• A type of chemical reaction.

• A geographical location.

• A chemical element.

• A historical event.

What is a notable property of flexible metals?

• They can be easily molded.

• They are highly reactive.

• They are non-conductive.

• They are brittle.

Which of the following is NOT a property of flexible metals?

• Brittleness

• Malleability

• Ductility

• Conductivity