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Chemistry Past Questions


Question 716:


A certain liquid has a high boiling point. It is viscous, non-toxic, miscible with water being very hygroscopic. This liquid is most likely to be?

A. CH3CH2CH2HO
B. CH3CHOHCH3
C. CH3CH2CHOHCH3
D. CH2OHCHOHCH2OH


Question 717:


CH3-CH-CH3
CH2CI
Is known as?

A. 1-chloro-2-methylbutane
B. 1-chloro-2-methylpropane
C. 2-chloromethylpropane
D. 1-chloro-2, 2-dimethylethane


Question 718:


Which of the following statements is TRUE of the complete hydrolysis of a glycerine by sodium hygroxide?

A. 3 moles ofNaOH are required for each mole of glyceride
B. 3 moles of glycerol are produced
C. Only one mole of soap is formed
D. Concentrated H2SO4 is essential for the completion of the reaction


Question 719:


Which of the following are the products of the reaction between CH3COOH and CI2 in sunlight?

A. CICH2COOH + HCI
B. CH3COCI + HOCI
C. CH3COOCI + HCI
D. CH3COCI + HO2


Question 720:


Which of these is an acid salt?

A. K2SO4-.AI2(SO4)3.24H2O
B. CuCO3.Cu(OH)2
C. NaHS
D. CaOCI2-






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