Subject

Chemistry

Class

NEET Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

51.

Which of the following reactions will not give propane ?

  • CH3CH2CH2Cl H2OMg/ether

  • CH3COCl H2OCH3MgX

  • CH3CH=CH2 CH3COOHB2H6

  • CH3-C(OH)-CH3 P/HI


52.

A compound A ➔ C5H10Cl2 on hydrolysis gives C5H10O which reacts with NH2OH forms iodoform , but does not give Fehling test A is :


53.

In photography , sodium thiosulphate is used as :

  • complexing agent

  • oxidising agent

  • reducing agent

  • none of these


54.

.


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55.

Which of the following is not a broad spectrum antibiotic ?

  • Tetracycline

  • Chloromycetin

  • Penicillin

  • None of these


56.

Phenol and benzoic acid are distinguished by :

  • NaOH

  • NaHCO3

  • Na2CO3

  • H2SO4


57.

Substance used as antiseptic for curing wounds is :

  • equanil

  • iodine

  • proguanil

  • bithional


58.

The IUPAC name of compound is :

CH2=CH-CH(CH3)2

  • 1 - isopropylethylene

  • 2 - vinyl propane

  • 3 - methyl 1 - butene

  • 1 , 1 , dimethyl 1 , 2 - propene


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59.

Cobalt - 60 is used in the treatment of :

  • leukaemia

  • thyroid disorders

  • cancer

  • pneumonia


C.

cancer

Cobalt - 60 is used in the treatment of cancer .


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60.

Which of the following test is not used for testing of proteins ?

  • Millon's test

  • Molisch's test

  • Biuret test

  • Ninhydrin test


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