Chemistry Quizzes Stage-8

Here you’ll find the most important and repeated Chemistry past paper questions Quizzes Stage-8. 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. Which one among the following is a hydrocarbon compound? Candle wax, Polyurethane, Glycerol, Aspirin

#2. The substance that are added in the soil to make up any deficiency of nutrients are called?

#3. First Law of thermodynamics gives a relationship between

#4. If the horizontal range of a projectile becomes half of its maximum possible horizontal range, the probable angle of projection is?

#5. The unit of temperature coefficient of resistivity is?

#6. If % yield and actual yield is 80 and 20g respectively, what will be theoretical yield?

#7. Number of unpaired electrons present in the ground state of Fe³⁺ are (Atomic number of Fe = 26):

#8. Which of the following situations most clearly demonstrates a key characteristic of a Redox reaction?

#9. Which one of the following is not a characteristic of benzene? Aromaticity, Stability, To follow Huckle rule, High reactivity

#10. Which one of the following is not a characteristic of benzene? Aromaticity, Stability, To follow Huckle rule, High reactivity

#11. What is general requirement for free radical substitution reaction of ethane and halogen?

#12. What happens when H⁺ is added to ammonium hydroxide and ammonium chloride buffer?

#13. Polyvinyl chloride (PVC) is the type of?

#14. Shape of orbital is determined by quantum number?

#15. Final equation for the representation of rate of reaction in terms of concentration is called?

#16. Fischer ESTERIFICATION is which type of reaction?

#17. Terminal alkynes show acidic character due to?

#18. Which one of the following has higher vapour pressure? Acetone, Acetaldehyde, Isopentane, Hexane

#19. Acetaldehyde undergoes oxidation to produce acetic acid, in this reaction oxidizing agent used is?

#20. Molecules having one lone pair and three bond pairs have geometrical shape ?

#21. Majority of reactions taking place at ordinary temperatures with -ΔH are ?

#22. Amount of energy needed to weaken the existing bonds to an extent that can be broken through collision is called?

#23. An enzyme used to decompose the lipids into fatty acids in our alimentary canal is?

#24. In propene pi-bond is formed by sideway overlap of?

#25. Which of the following best explains why phenol reacts with aqueous NaOH, but alcohols do not?

#26. Carboxylic acid reacts with ammonia to form ammonium salts, which on heating produces?

#27. The element with smallest value of ionization energy is?

#28. In a unit cell of a crystal lattice the angle β is between faces?

#29. Chlorination of benzene in the presence of iron (III) chloride involves mechanism of?

#30. Methanol is produced by reduction of?

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