Chemistry Quizzes Stage-5

Here you’ll find the most important and repeated Chemistry past paper questions Quizzes Stage-5. 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. The formula of Quartz is _____?

#2. Which of the following is a Lewis base?

#3. Butter and margarine are ______ in nature.

#4. Brass gets discoloured in air because of the presence of which of the following gases in air?

#5. Which of the following is not an Arrhenius acid?

#6. Which of the following is an alcohol?

#7. Which one of the following statements is false about dynamic equilibrium?

#8. Salt among following is ______?

#9. When the magnitude of Kc is small, indicates ______?

#10. The rarest gas in air Is?

#11. The gas common known as Laughing gas is?

#12. A reaction which is never goes to completion is known as reversible reaction. Reversible reaction is represented by ______?

#13. Which chemical element has properties of a metal and non-metals? (a) Metalloid (b) Lanthanoid (c) Actanoid (d) Graphite

#14. The valency of carbon is ______?

#15. Which is the oldest freezing method? Brine freezing, Contact freezing, Flash freezing, None of these

#16. The system is stable in equilibrium when ______?

#17. Qc can be defined as _____?

#18. A substance that can donate a pair of electron to form coordinate covalent bond?

#19. Glycerin is a ____?

#20. Preservatives are used to preserve _______?

#21. In which type of rock is limestone found?

#22. NH3 can be a base according to ______?

#23. Silicon is also called?

#24. Sedimentary rocks are _______?

#25. Corrosive effect on skin is caused by ______?

#26. The value of Kc increases when ______?

#27. Compounds having the same molecular formula but different structures are called ______?

#28. Diamond is allotropic form of _______?

#29. When a gas turns into liquid, the process is called?

#30. For which system does the equilibrium constant, Kc has units of concentration.

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