We appreciate your visit to Students mixed different liquids in different beakers and listed their observations after each Based on these observations which beakers experienced a chemical change Choose 2. This page offers clear insights and highlights the essential aspects of the topic. Our goal is to provide a helpful and engaging learning experience. Explore the content and find the answers you need!
Answer :
Final answer:
Beaker (b) and beaker (c) experienced a chemical change, which can be inferred from typical indicators of such changes, like the formation of new substances. Examples like the burning of gasoline or the combination of hydrogen and oxygen to form water vapor are clear indications of chemical reactions occurring.
Explanation:
The question involves identifying which beakers experienced a chemical change based on the provided information. A chemical change results in the formation of new substances with different chemical properties than those of the starting materials. Observing a reaction such as gas production, color change, formation of a precipitate, or a change in temperature could indicate a chemical change.
Based on the given clues that beaker (b) and beaker (c) experienced a chemical change, we can assume that these beakers displayed signs of a chemical reaction. For instance, if beaker (b) involved the burning of gasoline which is a known chemical change, and beaker (c) could have been the reaction of hydrogen and oxygen gases to form water vapor, which is also a chemical change.
Examples of Physical and Chemical Changes
- Boiling water (Physical Change)
- A nail rusting (Chemical Change)
- Ice melting (Physical Change)
- Explosion of a firecracker (Chemical Change)
- Mixing chocolate syrup with milk (Physical Change)
Moreover, in the context of the other examples given, we can see that physical changes, like the magnetizing of a screwdriver or ice melting, are reversible and do not involve the transformation into new substances. In contrast, chemical changes such as the explosion of a firecracker involve new substances being formed and are not reversible by simple physical means.
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