MCQ questions for class 6 Science Chapter 6 Changes Around Us
Question 1: What type of change is boiling water?
Physical change
Chemical change
Biological change
Nuclear change
Question 2: Which of the following is a chemical change?
Melting ice
Burning paper
Cutting paper
Mixing salt and water
Question 3: What type of change is cutting a piece of wood?
Physical change
Chemical change
Biological change
Nuclear change
Question 4: Which of the following is a physical change?
Rusting of iron
Burning of wood
Cooking an egg
Rotting of fruits
Question 5: What type of change is the ripening of a fruit?
Physical change
Chemical change
Biological change
Nuclear change
Question 6: Which of the following is a biological change?
Boiling water
Digestion of food
Freezing water
Melting ice
Question 7: What type of change is the formation of a rainbow?
Physical change
Chemical change
Biological change
Nuclear change
Question 8: Which of the following is an example of a reversible change?
Burning of wood
Cooking an egg
Melting ice
Freezing water
Question 9: What type of change is the rotting of vegetables?
Physical change
Chemical change
Biological change
Nuclear change
Question 10: Which of the following is a nuclear change?
Boiling water
Burning paper
Radioactive decay
Mixing salt and water
Question 11: What type of change is the growth of a plant?
Physical change
Chemical change
Biological change
Nuclear change
Question 12: Which of the following is a physical change?
Decomposition of food
Burning of wood
Respiration
Formation of clouds
Question 13: What type of change is the rusting of iron?
Physical change
Chemical change
Biological change
Nuclear change
Question 14: Which of the following is an example of a reversible change?
Burning paper
Melting ice cream
Digesting food
Rusting of iron
Question 15: What type of change is the curdling of milk?
Physical change
Chemical change
Biological change
Nuclear change
Question 16: Which of the following is a biological change?
Freezing water
Respiration
Melting wax
Rusting of iron
Question 17: What type of change is the grinding of wheat to make flour?
Physical change
Chemical change
Biological change
Nuclear change
Question 18: Which of the following is an example of a reversible change?
Burning of wood
Digesting food
Melting ice
Decomposition of food
Question 19: What type of change is the digestion of food in our body?
Physical change
Chemical change
Biological change
Nuclear change
Question 20: Which of the following is a nuclear change?
Boiling water
Burning paper
Radioactive decay
Mixing salt and water
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