Chemistry Quizzes Stage-7

Here you’ll find the most important and repeated Chemistry past paper questions Quizzes Stage-7. A perfect way to prepare for top competitive exams and score maximum marks. Good Luck
 
  • Total Quizzes: 30
     Total Marks: 30
    Total Questions: 30
    Time Allowed: 10 minutes
    The correct answers will be displayed after the test is completed.
 
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#1. When water vapours are cooled, energy will be released and gaseous state will convert into liquid water. This process is known as?

#2. Corrosion occurs at the?

#3. Which among the following isotope is used for radiotherapy to stop the growth of cancer cells?

#4. The process of separating a soluble solid from a solution is known as?

#5. Which type of liquid is used in laboratory thermometer?

#6. Fission reaction is which type of reaction?

#7. Which statement is incorrect about particles in liquids?

#8. Carbon dating is used for the estimation of the age of ____?

#9. Which statement is incorrect about metals?

#10. Which gas among the following is responsible for global warming due to the greenhouse effect?

#11. The freezing point of water on a centigrade scale is?

#12. Which one of the following is not a sign of chemical change?

#13. Air is the example of a/an ______?

#14. Among the following, which substance is not a compound?

#15. What type of bonding is present in sulphur dioxide (SO₂)?

#16. Which isotope is used for diagnosis and treatment of Wilson’s disease?

#17. The most common element found on Earth is _____?

#18. A form of energy which flows from a region of high temperature to a region of low temperature is known as?

#19. After the discovery of atomic number, scientists noted that atomic number can be used to arrange elements in a systematic way. The atomic number was discovered by _______?

#20. Which statement is incorrect about particles in solids? Particles are in loose clusters, Particles are closely packed, Particles are in regular pattern, Particles have small spaces between them

#21. The pH of water is ______?

#22. Substances that react with both acids and bases are called?

#23. Isobars have the same ______?

#24. From among the following, which material is insoluble in water? Sand, Sugar, Glucose, Salt

#25. The process which converts carbon dioxide into glucose is known as _____?

#26. A process of separating insoluble solids from a mixture is called?

#27. Which of the following is not the source of carbon dioxide emission? Burning of fossil fuels, wood, cool, Solar power, Respiration, Car exhaust smoke

#28. Matter changes state from solid to liquid and from liquid to gases, when it?

#29. Which statement is/are correct about particles in gases?

#30. The lightest gas which is used for filling party and advertisement balloons is ______?

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