A block of aluminum is (a) ground into aluminum powder and then (b) ignited. It then emits flames and smoke. Classify (a) and (b) as chemical or physical changes.
Step 1 of 3
Answer : Ground to aluminium powder is a physical change. And ignited it then emits flames and smoke is a chemical change .
Textbook: Introductory Chemistry
Author: Nivaldo J Tro
This textbook survival guide was created for the textbook: Introductory Chemistry, edition: 5. The answer to “A block of aluminum is (a) ground into aluminum powder and then (b) ignited. It then emits flames and smoke. Classify (a) and (b) as chemical or physical changes.” is broken down into a number of easy to follow steps, and 29 words. Since the solution to 43P from 3 chapter was answered, more than 859 students have viewed the full step-by-step answer. This full solution covers the following key subjects: Aluminum, flames, changes, chemical, classify. This expansive textbook survival guide covers 19 chapters, and 2046 solutions. Introductory Chemistry was written by and is associated to the ISBN: 9780321910295. The full step-by-step solution to problem: 43P from chapter: 3 was answered by , our top Chemistry solution expert on 05/06/17, 06:45PM.