Physical and Chemical Changes Class 7 MCQ: Physical and Chemical Changes is one of the most important chapters in Class 7 Science, especially for Bihar Board exams. Understanding the difference between physical and chemical changes helps students build a strong foundation in science. In this post, we have provided 50 important MCQs (Multiple Choice Questions) based on the chapter “Physical and Chemical Changes.”
भौतिक एवं रासायनिक परिवर्तन (Physical and Chemical Changes) कक्षा 7 विज्ञान का एक महत्वपूर्ण अध्याय है, जो विद्यार्थियों की बुनियादी समझ को मजबूत बनाता है। इस अध्याय के माध्यम से छात्र यह सीखते हैं कि कौन-सा परिवर्तन भौतिक होता है और कौन-सा रासायनिक, साथ ही प्रतिवर्ती (Reversible) और अपरिवर्ती (Irreversible) परिवर्तनों के बीच अंतर भी समझते हैं।
These questions are carefully designed in Hindi + English medium to help students easily understand key concepts like reversible and irreversible changes, physical vs chemical reactions, rusting, burning, and more. Each question comes with four options and the correct answer, making it perfect for quick revision and self-assessment. This MCQ set is highly useful for exam preparation, practice tests, and improving accuracy. Students can boost their confidence and score better marks by practicing these important questions regularly.
इस पोस्ट में 50 महत्वपूर्ण MCQs (बहुविकल्पीय प्रश्न) हिंदी + English माध्यम में दिए गए हैं, जो विशेष रूप से बिहार बोर्ड परीक्षा को ध्यान में रखकर तैयार किए गए हैं। प्रत्येक प्रश्न के साथ चार विकल्प और सही उत्तर भी दिया गया है, जिससे छात्रों को अभ्यास करने और अपनी तैयारी को परखने में मदद मिलेगी। यह MCQ सेट त्वरित पुनरावृत्ति (Revision) और परीक्षा में अच्छे अंक प्राप्त करने के लिए बेहद उपयोगी है।
Physical and Chemical Changes Class 7 MCQ: 50 महत्वपूर्ण वस्तुनिष्ठ प्रश्न उत्तर सहित
1. What is a physical change? / भौतिक परिवर्तन क्या है?
A. Formation of new substance
B. Change in size or shape
C. Permanent change
D. Chemical reaction
Answer: B. Change in size or shape
2. Which of the following is a chemical change? / निम्न में से कौन रासायनिक परिवर्तन है?
A. Melting of ice
B. Burning of paper
C. Breaking glass
D. Boiling water
Answer: B. Burning of paper
3. Which change is reversible? / कौन सा परिवर्तन प्रतिवर्ती है?
A. Rusting of iron
B. Burning wood
C. Melting ice
D. Cooking food
Answer: C. Melting ice
4. Rusting of iron is a / लोहे में जंग लगना है
A. Physical change
B. Chemical change
C. Temporary change
D. Reversible change
Answer: B. Chemical change
5. Cutting of paper is a / कागज काटना है
A. Chemical change
B. Physical change
C. Permanent change
D. Irreversible change
Answer: B. Physical change
6. Formation of curd from milk is a / दूध से दही बनना है
A. Physical change
B. Chemical change
C. Temporary change
D. Reversible change
Answer: B. Chemical change
7. Which is a physical change? / कौन सा भौतिक परिवर्तन है?
A. Burning coal
B. Rusting iron
C. Dissolving sugar in water
D. Cooking rice
Answer: C. Dissolving sugar in water
8. Which change is irreversible? / कौन सा परिवर्तन अपरिवर्ती है?
A. Freezing water
B. Melting wax
C. Burning paper
D. Boiling water
Answer: C. Burning paper
9. Chemical changes produce / रासायनिक परिवर्तन उत्पन्न करते हैं
A. No new substance
B. New substance
C. Same substance
D. Only heat
Answer: B. New substance
10. Which is not a chemical change? / कौन सा रासायनिक परिवर्तन नहीं है?
A. Cooking food
B. Digestion
C. Cutting wood
D. Burning fuel
Answer: C. Cutting wood
11. Change in color indicates / रंग में परिवर्तन संकेत करता है
A. Physical change
B. Chemical change
C. Temporary change
D. No change
Answer: B. Chemical change
12. Which is a sign of chemical change? / रासायनिक परिवर्तन का संकेत है
A. Change in size
B. Formation of gas
C. Change in shape
D. Breaking
Answer: B. Formation of gas
13. Boiling of water is a / पानी का उबलना है
A. Chemical change
B. Physical change
C. Permanent change
D. Irreversible change
Answer: B. Physical change
14. Burning of candle involves / मोमबत्ती जलना शामिल करता है
A. Only physical change
B. Only chemical change
C. Both changes
D. No change
Answer: C. Both changes
15. Which is a chemical change? / कौन सा रासायनिक परिवर्तन है?
A. Tearing paper
B. Breaking glass
C. Rusting iron
D. Crushing stone
Answer: C. Rusting iron
16. Freezing of water is / पानी का जमना है
A. Chemical change
B. Physical change
C. Irreversible
D. Permanent
Answer: B. Physical change
17. Cooking food is / भोजन पकाना है
A. Physical change
B. Chemical change
C. Temporary change
D. Reversible
Answer: B. Chemical change
18. Which change releases heat? / कौन सा परिवर्तन ऊष्मा देता है?
A. Melting
B. Freezing
C. Burning
D. Dissolving
Answer: C. Burning
19. Which is reversible? / कौन सा प्रतिवर्ती है?
A. Burning paper
B. Rusting
C. Melting wax
D. Cooking
Answer: C. Melting wax
20. Which is not a physical change? / कौन सा भौतिक परिवर्तन नहीं है?
A. Boiling
B. Melting
C. Rusting
D. Freezing
Answer: C. Rusting
21. Explosion is a / विस्फोट है
A. Physical change
B. Chemical change
C. Reversible
D. Temporary
Answer: B. Chemical change
22. Which produces gas? / कौन गैस बनाता है?
A. Dissolving sugar
B. Burning fuel
C. Melting ice
D. Freezing water
Answer: B. Burning fuel
23. Which is a slow change? / कौन धीमा परिवर्तन है?
A. Explosion
B. Burning
C. Rusting
D. Boiling
Answer: C. Rusting
24. Which is a fast change? / कौन तेज परिवर्तन है?
A. Rusting
B. Digestion
C. Explosion
D. Growth
Answer: C. Explosion
25. Which change is permanent? / कौन स्थायी परिवर्तन है?
A. Freezing
B. Melting
C. Burning
D. Boiling
Answer: C. Burning
26. Which is temporary? / कौन अस्थायी है?
A. Burning
B. Rusting
C. Freezing water
D. Cooking
Answer: C. Freezing water
27. Which is a physical change? / कौन भौतिक परिवर्तन है?
A. Baking cake
B. Rusting iron
C. Breaking chalk
D. Burning wood
Answer: C. Breaking chalk
28. Which is a chemical change? / कौन रासायनिक परिवर्तन है?
A. Breaking stone
B. Melting wax
C. Burning paper
D. Cutting cloth
Answer: C. Burning paper
29. Change of state is / अवस्था परिवर्तन है
A. Chemical
B. Physical
C. Permanent
D. Irreversible
Answer: B. Physical
30. Which is not reversible? / कौन प्रतिवर्ती नहीं है?
A. Melting
B. Freezing
C. Burning
D. Boiling
Answer: C. Burning
31. Which shows light emission? / कौन प्रकाश देता है?
A. Melting
B. Burning
C. Freezing
D. Dissolving
Answer: B. Burning
32. Which is a physical change? / कौन भौतिक परिवर्तन है?
A. Cooking rice
B. Breaking glass
C. Rusting
D. Burning
Answer: B. Breaking glass
33. Which is a chemical change? / कौन रासायनिक परिवर्तन है?
A. Tearing cloth
B. Melting ice
C. Digestion
D. Freezing water
Answer: C. Digestion
34. Formation of new substance occurs in / नया पदार्थ बनता है
A. Physical change
B. Chemical change
C. Temporary change
D. Reversible change
Answer: B. Chemical change
35. Which is reversible? / कौन प्रतिवर्ती है?
A. Cooking
B. Burning
C. Freezing
D. Rusting
Answer: C. Freezing
36. Which is irreversible? / कौन अपरिवर्ती है?
A. Melting
B. Freezing
C. Burning
D. Boiling
Answer: C. Burning
37. Which involves only change in form? / केवल रूप बदलता है
A. Chemical change
B. Physical change
C. Permanent change
D. Irreversible
Answer: B. Physical change
38. Which produces heat and light? / कौन ऊष्मा और प्रकाश देता है?
A. Freezing
B. Boiling
C. Burning
D. Dissolving
Answer: C. Burning
39. Which is a chemical change? / कौन रासायनिक परिवर्तन है?
A. Breaking
B. Crushing
C. Cooking
D. Melting
Answer: C. Cooking
40. Which is not chemical? / कौन रासायनिक नहीं है?
A. Burning
B. Rusting
C. Cutting
D. Digestion
Answer: C. Cutting
41. Which is slow change? / धीमा परिवर्तन कौन है?
A. Explosion
B. Burning
C. Rusting
D. Breaking
Answer: C. Rusting
42. Which is fast change? / तेज परिवर्तन कौन है?
A. Rusting
B. Growth
C. Explosion
D. Weathering
Answer: C. Explosion
43. Which is physical? / कौन भौतिक है?
A. Burning
B. Rusting
C. Melting
D. Cooking
Answer: C. Melting
44. Which is chemical? / कौन रासायनिक है?
A. Freezing
B. Boiling
C. Digestion
D. Melting
Answer: C. Digestion
45. Which involves new substance? / नया पदार्थ बनता है
A. Physical
B. Chemical
C. Temporary
D. Reversible
Answer: B. Chemical
46. Which is reversible? / कौन प्रतिवर्ती है?
A. Burning
B. Cooking
C. Melting
D. Rusting
Answer: C. Melting
47. Which is irreversible? / कौन अपरिवर्ती है?
A. Freezing
B. Boiling
C. Cooking
D. Melting
Answer: C. Cooking
48. Which is physical change? / कौन भौतिक परिवर्तन है?
A. Digestion
B. Rusting
C. Breaking
D. Burning
Answer: C. Breaking
49. Which is chemical change? / कौन रासायनिक परिवर्तन है?
A. Freezing
B. Melting
C. Burning
D. Boiling
Answer: C. Burning
50. Which is temporary change? / कौन अस्थायी परिवर्तन है?
A. Rusting
B. Burning
C. Freezing
D. Cooking
Answer: C. Freezing