Chemistry MCQs

Page No. 115

Butyl chloride gives possible isomers ?


a2


b3


c4


d5


View Answer 4

Which of the following solids show anisotropy___________________?


aPlastic


bGlass


cRubber


dNone of the above


View Answer None of the above

The rectified spirit is________________?


a12% alcohol


b90% alcohol


c95% alcohol


d100% alcohol


View Answer 95% alcohol

As a substance moves from a solid to a liquid all of the following changes occur except ?


amolecules become more disordered.


bK.E of the molecules decreases


cintermolecular forces become weaker.


dmolecules move more frequently.



Oxygen (molecular weight = 32) diffuses at a rate of 10cm3/min under the same conditions of temperature and pressure how fast will hydrogen (molecular weight = 2) diffuse ?


a20cm3/min


b40cm3/min


c160cm3/min


d2.5cm3/min


View Answer 40cm3/min

Methyl alcohol is not used as___________________?


aa solvent


ban anti freezing agent


ca substitute for petrol


dfor denaturing of ethyl alcohol



All the following variables are used to describle gases except__________________?


apressure


bvolume


cmoles


ddensity


View Answer density

Dempsters mass spectrometer has number of zones / parts_________________?


a5


b4


c3


d2


View Answer 5

When 0.5 mole of phosphoric acid is dissolved in aqueous solution how many moles of -ve and +ve ions are collected altogether ?


a0.5


b1


c1.5


d2


View Answer 2

The nucleus of an atom of every element will always contain____________________?


aneutrons


bprotons and electrons


cprotons


dprotons and neutrons


View Answer protons

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