Chemistry Quizzes Stage-6

Here you’ll find the most important and repeated Chemistry past paper questions Quizzes Stage-6. 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. CNG stands for _______?

#2. Which of the following is not a solid sublime material? Glucose, Sodium Chloride, Iodine, Camphor

#3. Longest groups in periodic table

#4. Environmental protection agencies advise against the use of chloro-fluoro carbon refrigerants since these react with _____?

#5. Identify the hardest metal? Diamond, Iron, Platinum, Tungsten

#6. Which method can be used to get drinking water from sea water?

#7. Who invented dynamite?

#8. A brazed joint can be satisfactorily made on an article made of _____?

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

#10. What is the percentage of nitrogen gas in air?

#11. Negatively charged ray: A) Alpha B) Gamma C) Beta D) Positron

#12. Who discovered Hydrogen?

#13. Who is known for proposing the modern atomic theory?

#14. Temporary hardness of water is due to the presence of dissolved salts of _______?

#15. Which of the following is the lightest metal? Mercury Lithium Lead Silver

#16. Brass is an alloy of ______?

#17. Salinity of the sea water is due to _____?

#18. Which of the following mineral is used in cement industry and plaster of Paris?

#19. The binder in case of synthetic sand is _____?

#20. The instrument used to measure temperature is called the?

#21. Which gas is used in operations for anesthesia?

#22. Formula of ammonium:

#23. Which metal has the highest percentage in stainless steel?

#24. Which of the following allows electricity to pass in molten state?

#25. The melting of ice is an example of ______?

#26. Ozone layer is part of ______?

#27. Freezing point of water is ______?

#28. Identify the refractory material that has high resistance to both acid and basic slags?

#29. Tea is a _____?

#30. Hot working of metals is carried out ______?

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