ETEA Per Medical

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Q: Benzene reats with Acetyl Chloride in the presence of lewis acid forming

(a) :  chlorobenzene
(b) :  Acetophenone
(c) :  Benzoic acid
(d) :  Benzophenone
(e) :  None

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Answer:  Acetophenone
Explanation:  
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Q: Here are your shoes, I ______ them

(a) :  just clean
(b) :  just cleaned
(c) :  have just cleaned
(d) :  has just cleaned
(e) :  none

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Answer:  have just cleaned
Explanation:  
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Q: Hunger centers are located in

(a) :  Hypothalamus
(b) :  Cerebellum
(c) :  Medulla
(d) :  Mid brain
(e) :  None

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Answer:  Mid brain
Explanation:  
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Q: A teritary carbon is bonded directly to

(a) :  2 hydrogens
(b) :  2 carbons
(c) :  3 carbons
(d) :  4 carbons
(e) :  None

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Answer:  3 carbons
Explanation:  
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Q: The shortest wavelength of radiation in Paschen serises is

(a) :  R/9
(b) :  9/R
(c) :  9R
(d) :  9+R
(e) :  None

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Answer:  9/R
Explanation:  
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Q: Which of the following compounds does not give idoform test on reaction with I₂ and NaOH?

(a) :  Propanone
(b) :  Ethanol
(c) :  2-Butanol
(d) :  2-Propanol
(e) :  None

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Answer:  Propanone
Explanation:  
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Q: A certical steel wire X of circular cross section is used to suspend a load. A second wire Y, made of the same material but having twice the lenght and twice the diameter is used to suspend an equal load? what is the value of ratio extansion of wire x/ extention of wire y?

(a) :  1/2'
(b) :  1
(c) :  2
(d) :  4
(e) :  None

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Answer:  1
Explanation:  
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Q: Which of the following compounds has no double bond?

(a) :  …………..
(b) :  Cellulose
(c) :  Cholestrol
(d) :  Vitamin A
(e) :  None

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Answer:  Cholestrol
Explanation:  
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Q: In compton effect, the photon scattered at an angle of 90⁰. The compton's shift o wavelegngth will be

(a) :  ∆λ= h/mC
(b) :  ∆λ=h/mC²
(c) :  ∆λ=mC//h
(d) :  ∆λ=mC²/h
(e) :  None

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Answer:  ∆λ= h/mC
Explanation:  
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