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Pencillin was first discovered by...

Pencillin was first discovered by

A

A. Fleming

B

Waks man

C

Salk

D

Louis pasteur

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The correct Answer is:
A
Pencillin was first discovered by A fleming in 1929.
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-PRACTICE SET 07-PAPER 1( PHYSICS & CHEMISTRY)
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  2. Which of the following have been arranged in the decreasing order of o...

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  4. Among the followin the oxidation state of N is lowest in

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  6. Which of the following has maximum number of upnaired electrons ?

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  7. Two organic compound A and B both containing only carbon and hydrogen,...

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  8. T-shaped interhalogen compounds is

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  9. If alpha is the degree of dissociation of na(2)SO(4) the vant of Hoff'...

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  10. Heat change when one a llotropic form is changed into another is calle...

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  11. Ortho and para hydrogen have :

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  12. For firt order reaction, fraction fo colllisions with proper orientati...

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  13. Property of the alkaline earth metals that increases with their atomic...

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  14. Which of the following metal is leached by Cyanide process

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  15. P(2)O(5) is heated with water to give

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  16. The pairs of elements [Zr,Hf], [Nb,Tb] [Mo, W] and [Tc, Re] are called

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  17. Which one of the following is an example of homogeneous catalysis ?

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  18. Propyne is treated with aquesous H(2)SO(4) in the presence of HgSO(4)....

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  20. Standard enthalpy of formation is not zero for

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