Consider the following chemical equation I and II
I.
II.
The correct statement about these equations is -
Consider the following chemical equation I and II
I.
II.
The correct statement about these equations is -
Options
Official answer
I is a displacement reaction and II is a double displacement reaction.
Marking scheme
- 1.1 mark
Hint
Identify the type of reaction based on the reactants and products.
Quick oral answer
I is a displacement reaction and II is a double displacement reaction.
Common mistakes
- 1.Both I and II are displacement reactions.
Analysis and explanation
I is a displacement reaction because Mg displaces H from HCl to form MgCl2 and H2.
II is a double displacement reaction because Na and H in NaOH and HCl are interchanged to form NaCl and H2O.
Interesting facts
Displacement reactions are used in the extraction of metals from their ores.
Question details
Q12 of 39 questions
- Board
- CBSE
- Class
- Class 10
- Subject
- Science
- Year
- 2023
- Section
- Section Section A
- Marks
- 1
- Type
- MCQ
- Chapter
- Chemical Reactions and Equations
- Topic
- Types of Chemical Reactions
- Bloom's level
- Understanding
- Syllabus topic
- Chemical Reactions and Equations
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Frequently asked questions
How many marks does this question carry in CBSE Class 10 Science 2023?
This question carries 1 mark in the CBSE Class 10 Science 2023 examination.
Which chapter does this question come from in Science?
This question is from the chapter "Chemical Reactions and Equations" in the CBSE Class 10 Science syllabus.
What topic does this question cover in Science?
This question covers the topic "Types of Chemical Reactions" from CBSE Class 10 Science.
What type of question is this in the CBSE Class 10 Science 2023 paper?
This is a MCQ question from Section Section A in the CBSE Class 10 Science 2023 paper.