Grade 7 Exam > Grade 7 Questions > What type of change occurs when baking soda i...
Start Learning for Free
What type of change occurs when baking soda is mixed with lemon juice?
- a)Physical change
- b)Chemical change
- c)No change
- d)Both physical and chemical changes
Correct answer is option 'B'. Can you explain this answer?
| FREE This question is part of | Download PDF Attempt this Test |
Most Upvoted Answer
What type of change occurs when baking soda is mixed with lemon juice?...
Mixing baking soda with lemon juice results in a chemical change. The reaction produces carbon dioxide gas, water, and other substances, indicating the formation of new products.
Free Test
FREE
| Start Free Test |
Community Answer
What type of change occurs when baking soda is mixed with lemon juice?...
The Reaction Between Baking Soda and Lemon Juice
When baking soda (sodium bicarbonate) is mixed with lemon juice (which contains citric acid), a chemical change occurs. Here's a detailed breakdown of this process:
What Happens During the Reaction?
- Chemical Interaction: Baking soda is a base, while lemon juice is an acid. When they are combined, they react to form new substances.
- Production of Carbon Dioxide: This reaction produces carbon dioxide gas, which is visible as bubbles or fizzing. This is a clear indicator of a chemical change because a new substance (gas) is formed.
Indicators of Chemical Change
- Formation of New Substances: The creation of carbon dioxide is a sign that the original substances have transformed into different ones.
- Energy Change: The reaction may also involve a change in temperature, indicating that energy is either absorbed or released.
Why It's Not a Physical Change
- No Reversible Process: In a physical change, the original substances retain their properties and can often be reversed. However, in this case, you cannot recover the original baking soda or lemon juice after they react.
- Change in Composition: A chemical change alters the molecular structure of the substances involved, which is not the case in physical changes where the composition remains the same.
Conclusion
In summary, mixing baking soda with lemon juice is a classic example of a chemical change due to the formation of new substances and the observable fizzing from gas production.
When baking soda (sodium bicarbonate) is mixed with lemon juice (which contains citric acid), a chemical change occurs. Here's a detailed breakdown of this process:
What Happens During the Reaction?
- Chemical Interaction: Baking soda is a base, while lemon juice is an acid. When they are combined, they react to form new substances.
- Production of Carbon Dioxide: This reaction produces carbon dioxide gas, which is visible as bubbles or fizzing. This is a clear indicator of a chemical change because a new substance (gas) is formed.
Indicators of Chemical Change
- Formation of New Substances: The creation of carbon dioxide is a sign that the original substances have transformed into different ones.
- Energy Change: The reaction may also involve a change in temperature, indicating that energy is either absorbed or released.
Why It's Not a Physical Change
- No Reversible Process: In a physical change, the original substances retain their properties and can often be reversed. However, in this case, you cannot recover the original baking soda or lemon juice after they react.
- Change in Composition: A chemical change alters the molecular structure of the substances involved, which is not the case in physical changes where the composition remains the same.
Conclusion
In summary, mixing baking soda with lemon juice is a classic example of a chemical change due to the formation of new substances and the observable fizzing from gas production.
Attention Grade 7 Students!
To make sure you are not studying endlessly, EduRev has designed Grade 7 study material, with Structured Courses, Videos, & Test Series. Plus get personalized analysis, doubt solving and improvement plans to achieve a great score in Grade 7.
|
Explore Courses for Grade 7 exam
|
|
Top Courses for Grade 7View all
What type of change occurs when baking soda is mixed with lemon juice?a)Physical changeb)Chemical changec)No changed)Both physical and chemical changesCorrect answer is option 'B'. Can you explain this answer?
Question Description
What type of change occurs when baking soda is mixed with lemon juice?a)Physical changeb)Chemical changec)No changed)Both physical and chemical changesCorrect answer is option 'B'. Can you explain this answer? for Grade 7 2024 is part of Grade 7 preparation. The Question and answers have been prepared according to the Grade 7 exam syllabus. Information about What type of change occurs when baking soda is mixed with lemon juice?a)Physical changeb)Chemical changec)No changed)Both physical and chemical changesCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Grade 7 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for What type of change occurs when baking soda is mixed with lemon juice?a)Physical changeb)Chemical changec)No changed)Both physical and chemical changesCorrect answer is option 'B'. Can you explain this answer?.
What type of change occurs when baking soda is mixed with lemon juice?a)Physical changeb)Chemical changec)No changed)Both physical and chemical changesCorrect answer is option 'B'. Can you explain this answer? for Grade 7 2024 is part of Grade 7 preparation. The Question and answers have been prepared according to the Grade 7 exam syllabus. Information about What type of change occurs when baking soda is mixed with lemon juice?a)Physical changeb)Chemical changec)No changed)Both physical and chemical changesCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Grade 7 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for What type of change occurs when baking soda is mixed with lemon juice?a)Physical changeb)Chemical changec)No changed)Both physical and chemical changesCorrect answer is option 'B'. Can you explain this answer?.
Solutions for What type of change occurs when baking soda is mixed with lemon juice?a)Physical changeb)Chemical changec)No changed)Both physical and chemical changesCorrect answer is option 'B'. Can you explain this answer? in English & in Hindi are available as part of our courses for Grade 7.
Download more important topics, notes, lectures and mock test series for Grade 7 Exam by signing up for free.
Here you can find the meaning of What type of change occurs when baking soda is mixed with lemon juice?a)Physical changeb)Chemical changec)No changed)Both physical and chemical changesCorrect answer is option 'B'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of
What type of change occurs when baking soda is mixed with lemon juice?a)Physical changeb)Chemical changec)No changed)Both physical and chemical changesCorrect answer is option 'B'. Can you explain this answer?, a detailed solution for What type of change occurs when baking soda is mixed with lemon juice?a)Physical changeb)Chemical changec)No changed)Both physical and chemical changesCorrect answer is option 'B'. Can you explain this answer? has been provided alongside types of What type of change occurs when baking soda is mixed with lemon juice?a)Physical changeb)Chemical changec)No changed)Both physical and chemical changesCorrect answer is option 'B'. Can you explain this answer? theory, EduRev gives you an
ample number of questions to practice What type of change occurs when baking soda is mixed with lemon juice?a)Physical changeb)Chemical changec)No changed)Both physical and chemical changesCorrect answer is option 'B'. Can you explain this answer? tests, examples and also practice Grade 7 tests.
|
|
Explore Courses for Grade 7 exam
|
|
Suggested Free Tests
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
|
© EduRev
|
Education Revolution
|
Follow Us
|
Signup to see your scores
go up within 7 days!
Access 1000+ FREE Docs, Videos and Tests
Takes less than 10 seconds to signup