Which of the Following Is Not a Chemical Change

question 49

Multiple Choice

Which of the following is not a chemical change?

• A) burning charcoal
• B) rusting iron
• C) melting ice
• D) baking bread

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Definitions:

Watermark

A recognizable image or pattern in paper or digital form that appears as various shades of lightness/darkness, used to identify authenticity and prevent counterfeiting.

Photo-sensitive Mark

A type of indicator or feature on an object that changes its appearance in response to light exposure.

Clasp Envelopes

Envelopes that feature a metal clasp for closure, used to securely hold documents.

Padded Envelopes

Envelopes lined with padding material, used to protect items during shipping.