Test Your Knowledge - Free MCQ PRACTICE
by Saksham Chaudhry : Paschim Vihar, New Delhi 110063 T: 1142316457, 9810570740
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A fresh set of 20 random questions is generated every time you open this page and every time you refresh it.
For each of the following multiple choice questions, choose the most appropriate answer :

1. It is expected to behave as
A. An oxidising agent 
B. A central metal in a coordination compound 
C. A reducing agent 
D. A chelating agent 

2. The acid present in lemons and oranges is
A. Acetic acid 
B. Hydrochloric acid 
C. Citric acid 
D. Oxalic acid 

3. Amines behave as
A. Aprotic acid 
B. Lewis acids 
C. Lewis base 
D. Neutral compound 

4. The pH of the diluted base is
A. Between 5 and 6 
B. Between 6 and 7 
C. Between 10 and 11 
D. Between 7 and 8 

5. The gas which, on heating at high temperatures under high pressure, transforms into a waxy solid is
A. Chlorine 
B. Hydrogen 
C. Acetylene 
D. Ethylene 

6. 5 mole of each of H2, SO2 and CH4 are kept in a container. A hole was made in the container. After 3 hours, the order of partial pressures in the container will be
A. PSO2 > pH2 > pCH4 
B. PH2 > pSO2 > pCH4 
C. PH2 > pCH4 > pSO2 
D. PSO2 > pCH4, > pH2 

7. An oxidizing agent is a substance
A. Substitutes an electron in a redox chemical action 
B. Loses an electron in a redox chemical action 
C. Gains an electron in a redox chemical action  
D. Accelerates a redox chemical action 

8. The number of g-molecule of oxygen in 6.02 x 1024CO molecules is
A. 5 gram of molecule 
B. 10 gram of molecule 
C. 0.5 gram of molecule 
D. 1 gram of molecule 

9. A metal present in insulin is
A. Iron 
B. Copper 
C. Zinc 
D. Aluminium 

10. A micron is equivalent to
A. 0.01 mm 
B. 0.01 m 
C. 0.001 mm 
D. 0.0001 mm 

11. Water is not effective in extinguishing a fire caused by petrol because
A. Water and petrol are miscible with each other 
B. The flame is too hot for water to cool it down 
C. Water and petrol are immiscible with each other and petrol forms the upper layer and continues to burn. 
D. Water and petrol react chemically 

12. The half life time of 1g sample of X is
A. 30 min 
B. 15 min 
C. 7.5 min 
D. 22.5 min 

13. Paracetamol
A. Is a sulpha drug 
B. Causes stomach ulcers 
C. Relieves body pain 
D. Is an antibiotic 

14. Gobar gas' contains mainly
A. Carbon dioxide 
B. Methane 
C. Acetylene 
D. Ethylene 

15. Excess of PCl5 reacts with con H2SO4 giving
A. Chlorosulphonic acid 
B. Sulphuryl chloride 
C. Thionyl chloride 
D. Sulphurous acid 

16. The normality of 30 volume H2O2 is
A. 6.685 N 
B. 2.678 N 
C. 8.034 N 
D. 5.336 N 

17. lsobars are elements with
A. Different number of protons 
B. Same mass number, different atomic number 
C. Different number of neutrons 
D. Same atomic number, different mass number 

18. Radioactive disintegration of uranium ultimately results in formation of :
A. Radium 
B. Thorium 
C. Polonium 
D. Lead 

19. Gram molecular volume of oxygen at STP is
A. 11200 cm3 
B. 3200 cm3 
C. 22400 cm3 
D. 5600 cm3 

20. The correct sequence of reactions to convert p-nitrophenol into quinol involves
A. Diazotization, reduction and hydrolysis 
B. Reduction, diazotization and hydrolysis 
C. Hydrolysis, reduction and diazotization 
D. Hydrolysis, diazotization and reduction 

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