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MHT CET 2017 :: Chemistry :: General questions




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16.

Which of the following is used as antiseptic?


A) Chloramphenicol

B) Bithional

C) Cimetidine

D) Chlordiazepoxide



17.

The osmotic pressure of a solution containing 34.2 g of cane sugar (molar mass =342 g /mol)  in 1L of solution at 20° C is (Given R=0.082 L atm K-1 mol-1 )


A) 2.40 atm

B) 3.6 atm

C) 24 atm

D) 0.0024 atm



18.

Name the process that is employed to refine aluminium


A) Hall's process

B) Mond process

C) Hoope's process

D) Serperck' s process



19.

What is the quanity og hydrogen gas liberated wheb 46 g sodium reacts with excess ethanol?

(Given atomic mass of Na= 23)


A) $2.4 \times 10^{-3} kg$

B) $2.0 \times 10^{-3} kg$

C) $4.0 \times 10^{-3} kg$

D) $2.4 \times 10^{-2} kg$



20.

Solubilty of which among the following solids in water changes slightly with temperature ?


A) $KNO_{3}$

B) $NaNO_{3}$

C) KBr

D) NaBr



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