Match the following: Column A Column B i. physical change A. Smallest unit of matter ii. Chemical change B. Smallest unit of water iii. Atom C. Melting of an ice cube iv. Molecule D. Burning a matchstick

• A. (i - D), (ii - C), (iii - A), (iv - B)       
• B. (i - C), (ii - D), (iii - A), (iv - B)
• C. (i - D), (ii - A), (iii - B), (iv - C)       
• D. (i - C), (ii - B), (iii - D), (iv - A)
• E. None of these