ECAT CHEMISTRY 2006
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A)6.022x1023 B)3.61x1024 C)1.81x1024 D)6.022x1024
2. In chromatography the "k" stands for :
A)Rate B)Rate law C)Distribution Co-efficient D)None
3. Most ideal gas at room temperature is :
A)CO2 B)NH3 C)SO4 D)N2
4. Which is an amorphous solid ?
A)NaCl B)NaOH C)Diamond D)Rubber
5. In liquids, intermolecular forces are :
A)Very weak B)Very strong C)Resonable strong D)Ion-dipole force
6. When spectrum of hydrogen atom is taken in magnetic field, some new lines are created. This is called :
A)Resonance effect B)Stark effect C)Zeeman's effect D)Electric effect
7. Triangular planer structure is obtained in ....... hybridization :
A)SP B)SP2 C)SP3 D)None
8. The bond angle depends upon :
A)Types of bonds B)Number of bonds C)Non bonding electron pairs D)All of the above
9. Which is not a state function ?
A)Temperature B)Enthalpy C)Internal energy D)Change in temperature
10. The PH of 10-3 moles/dm3 of an aqueous solution of H2SO4 is :
A)2.7 B)3 C)2.0 D)1.5
11. The sum of the mole fraction of the components of a mixture is equal to :
12. NaOH is obtained by electrolysis of conc. Aqueous solution of NaCl in a cell is called :
A)Daniel cell B)Nelson cell C)Down's cell D)Voltaic cell
13. The rate of reaction ....... as the reaction proceeds :
14. Which statement is incorrect ?
15. The mineral CaSO4.2H2O has the general name ;
16. Aluminium oxide is :
17. Laughing gas is chemically :
18. Hydrogen bond is strongest b/w the molecules of :
19. Which of the following is a typical transition metal ?
20. Ether shows the phenomenon of :
21. Synthetic rubber is made by the polymerizaton of :
22. Which compound is most eactive one ?
23. Which one of the following is not a neucleophile ?
24. Which compound shows H-Bonding ?
25. Ketones are prepard by the oxidaton of :
26. Which of the following is not a fatty acid ?
27. The polymeric substance that is formed in the liquid state and then hardened to a rigid solid is called :
28. The word paper is derived from the name of which reedy plant ?
29. The PH range of acid rain is :
30. Newspapers can be recycled up to how many times ?
A)100 B)200 C)0 D)1
12. NaOH is obtained by electrolysis of conc. Aqueous solution of NaCl in a cell is called :
A)Daniel cell B)Nelson cell C)Down's cell D)Voltaic cell
13. The rate of reaction ....... as the reaction proceeds :
A)Increases B)Decreases C)Remains same D)May increase, May decrease
14. Which statement is incorrect ?
A)All the metals are good conductors of electricity B)All the metal are good conductors of heat C)All the metals form positive ions D)All the metals form acidic oxides
15. The mineral CaSO4.2H2O has the general name ;
A)Gypsum B)Dolomite C)Calcite D)Epsum salt
16. Aluminium oxide is :
A)Acidic oxide B)Amphoteric oxide C)Basic oxide D)None
17. Laughing gas is chemically :
A)NO B)N2O C)NO2 D)N2O4
18. Hydrogen bond is strongest b/w the molecules of :
A)HF B)HCl C)HBr D)HI
19. Which of the following is a typical transition metal ?
A)SC B)Y C)Ra D)CO
20. Ether shows the phenomenon of :
A)Position isomerism B)Functional group isomerism C)Metamerism D)Tautamerism
21. Synthetic rubber is made by the polymerizaton of :
A)Chloroform B)Acetylene C)Divinyl acetylene D)Chloroprene
22. Which compound is most eactive one ?
A)Benzene B)Ethane C)Ethyne D)Ethene
23. Which one of the following is not a neucleophile ?
A)H2O B)H2S C)BF3 D)NH3
24. Which compound shows H-Bonding ?
A)C2H6 B)C2H5Cl C)CH3-O-CH3 D)C2H5OH
25. Ketones are prepard by the oxidaton of :
A)Primary alcohol B)Secondary alcohol C)Tertiary alcohol D)None
26. Which of the following is not a fatty acid ?
A)Propanoic acid B)Acetic acid C)Phthalic acid D)Butanoic acid
27. The polymeric substance that is formed in the liquid state and then hardened to a rigid solid is called :
A)Rubber B)Plastic C)Fiber D)Varnish
28. The word paper is derived from the name of which reedy plant ?
A)Papyrus B)Rose C)Sunflower D)Jasmine
29. The PH range of acid rain is :
A)7-6.5 B)6-5.6 C)6.5-6 D)less than 5
30. Newspapers can be recycled up to how many times ?
A)2 B)3 C)4 D)5
ECAT Math | ECAT Physics | ECAT Chemistry | Answers | Technology
Try to solve the question yourself. Also mention answers list in the comment. Thanks
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