This quiz works best with JavaScript enabled. Home > Class 6 > Class 6 Science Chapter 6 Changes Around Us – Quiz 13 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 6 Science Chapter 6 Changes Around Us Quiz 13 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the followings are Non-Flowering plants. A) Morning Glory. B) GRASS. C) Mushroom. D) Mango tree. Show Answer Correct Answer: C) Mushroom. 2. The following change can not be reversed- A) Paper aeroplane to a paper. B) Fully blown balloon to the balloon. C) Baked roti to the ball of dough. D) Rolled out roti to a ball of dough. Show Answer Correct Answer: C) Baked roti to the ball of dough. 3. What type of change is the lighting of a bulb? A) Reversible change. B) Irreversible change. C) Chemical change. D) None of these. Show Answer Correct Answer: A) Reversible change. 4. Why there are always 5mm gape between the railtracks? A) As in Summers, due to the heat of sun the rail track expand. B) Just to put sand. C) As they can't make so long tracks. D) So the train moves smothely. Show Answer Correct Answer: A) As in Summers, due to the heat of sun the rail track expand. 5. During condensation and evaporation of water, the ..... of water changes. A) Appearance. B) State. C) Movement. D) None of the above. Show Answer Correct Answer: B) State. 6. Iron new subtance A) Rust. B) Ash. C) All the above. D) None of the above. Show Answer Correct Answer: A) Rust. 7. Burning of candle is: A) Chemical change. B) Physical change. C) Both. D) None. Show Answer Correct Answer: C) Both. 8. Which type of change is the curdling of milk? A) Reversible change. B) Irreversible change. C) Reversible as well as irreversible change. D) None of these. Show Answer Correct Answer: B) Irreversible change. 9. What are the characteristic of physical change A) New substance is not formed, generaly reversible change. B) New substance is formed, generally reversible. C) New substance is formed, Irreversible. D) None of the above. Show Answer Correct Answer: A) New substance is not formed, generaly reversible change. 10. Growth in plants and animals is A) Physical change. B) Chemical change. C) Neither physical nor chemical change since it is a life process. D) Either a physical change or a chemical change depending on how much the growth is. Show Answer Correct Answer: B) Chemical change. 11. Which is a chemical change? A) Breaking glass. B) Baking a cake. C) Shredding paper. D) Melting ice. Show Answer Correct Answer: B) Baking a cake. 12. During rusting, iron is converted into ..... A) Iron (III) oxide. B) Iron (II) oxide. C) All the above. D) None of the above. Show Answer Correct Answer: A) Iron (III) oxide. 13. Iron pillar near the Qutub Minar in Delhi is famous for the following facts. Which of these facts is responsible for its long stability? A) It is more than 7 metres high. B) It weighs about 6000 kg. C) It was built more than 1600 years ago. D) It has not rusted after such a long period. Show Answer Correct Answer: D) It has not rusted after such a long period. 14. ..... is universal solvent. A) Petrol. B) Oil. C) Water. D) Diesel. Show Answer Correct Answer: C) Water. 15. A teacher wants to show clear difference between physical and chemical changes, which one of the following will be suitable for the same A) Boiling of milk and freezing it. B) Setting curd and making paneer. C) Melting ice and freezing it. D) None of the above. Show Answer Correct Answer: B) Setting curd and making paneer. 16. A teacher wants to show clear difference between reversible and irreversible changes, which one of the following will be suitable for the same A) Boiling of milk and freezing it. B) Boiling milk and making paneer. C) Melting ice and freezing it. D) None of the above. Show Answer Correct Answer: B) Boiling milk and making paneer. 17. A change differs by it's A) Shape. B) All of these. C) Colour. D) Size. Show Answer Correct Answer: B) All of these. 18. What are chemical changes A) I don't know. B) A new formation of gas. C) A new formation of substance. D) No new formation of substance. Show Answer Correct Answer: C) A new formation of substance. 19. Is the burning a wax candle a slow change or fast change? A) Slow Change. B) Fast Change. C) All the above. D) None of the above. Show Answer Correct Answer: B) Fast Change. 20. Conversion of a solid to liquid by heating is called A) Evaporation. B) Melting. C) Condensation. D) Freezing. Show Answer Correct Answer: B) Melting. 21. When atoms are supplied with heat, vibration A) Increases. B) Decreases. C) No change. D) None of the above. Show Answer Correct Answer: A) Increases. 22. Rusting of Iron is a A) Chemical change. B) Physical Change. C) All the above. D) None of the above. Show Answer Correct Answer: A) Chemical change. 23. Which of the following changes takes place when heat is given? A) The bursting of a balloon due to filling of excess air. B) Crushing of coal pieces. C) Transformation of water into vapour. D) Dissolving of salt in water. Show Answer Correct Answer: C) Transformation of water into vapour. 24. The incense stick has burnt to give off. A) Glass. B) Ashes. C) Both (A) and (B). D) None. Show Answer Correct Answer: C) Both (A) and (B). 25. An ice cube melts into the water and the change is considered a reversible change.Which factor would reverse the change? A) Increase in weight of the water. B) Decrease in weight of the water. C) Increase in temperature of the water. D) Decrease in temperature of water. Show Answer Correct Answer: D) Decrease in temperature of water. ← PreviousNext →Related QuizzesClass 6 Science Chapter 6 Changes Around Us Quiz 1Class 6 Science Chapter 6 Changes Around Us Quiz 2Class 6 Science Chapter 6 Changes Around Us Quiz 3Class 6 Science Chapter 6 Changes Around Us Quiz 4Class 6 Science Chapter 6 Changes Around Us Quiz 5Class 6 Science Chapter 6 Changes Around Us Quiz 6Class 6 Science Chapter 6 Changes Around Us Quiz 7Class 6 Science Chapter 6 Changes Around Us Quiz 8Class 6 Science Chapter 6 Changes Around Us Quiz 9Class 6 Science Chapter 6 Changes Around Us Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books