Chemistry MCQs

Page No. 115

Butyl chloride gives possible isomers ?


a2

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b3

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c4

✓


d5

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View Answer 4

Which of the following solids show anisotropy___________________?


aPlastic

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bGlass

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cRubber

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dNone of the above

✓


View Answer None of the above

The rectified spirit is________________?


a12% alcohol

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b90% alcohol

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c95% alcohol

✓


d100% alcohol

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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.

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bK.E of the molecules decreases

✓


cintermolecular forces become weaker.

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dmolecules move more frequently.

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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

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b40cm3/min

✓


c160cm3/min

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d2.5cm3/min

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View Answer 40cm3/min

Methyl alcohol is not used as___________________?


aa solvent

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ban anti freezing agent

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ca substitute for petrol

✓


dfor denaturing of ethyl alcohol

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All the following variables are used to describle gases except__________________?


apressure

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bvolume

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cmoles

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ddensity

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View Answer density

Dempsters mass spectrometer has number of zones / parts_________________?


a5

✓


b4

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c3

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d2

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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

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b1

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c1.5

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d2

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View Answer 2

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


aneutrons

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bprotons and electrons

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cprotons

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dprotons and neutrons

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View Answer protons

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