Category

Chemistry MCQs


When Ammonia is used as a refrigerant in vapour compression cycle?


aCu Tubing used


bSteel tubes used


cBoth A and B


dMaterial does not effect by refrigerant


View Answer Steel tubes used

Example of ‘globular’ proteins is __________ ?


aPeptide


bEnzymes


cPrimary proteins


dSecondary proteins


View Answer Enzymes

A scale which used to measure the Hydrogen Ion concentration in a solution is known as__________?


aThermometer


bViscometer


cPH Scale


dStagmometer


View Answer PH Scale

which Compound Destroy The OZONE ?


aCFCs


bCH3COOH


cBoth A and B


dNone of the above


View Answer CFCs

Column of manometer which faces liquid is __________ ?


aRaised


bDepressed


cCompressed


dRemains same


View Answer Depressed

Quantum numbers are __________ ?


aArithmetical values


bNumerical values


cLogical values


dLeometric values


View Answer Numerical values

Distance at which attractive forces of hydrogen overcome repulsive forces is __________ ?


a75.2pm


b75.3pm


c75.5pm


d75.4pm


View Answer 75.4pm

In a group, atomic radii increase due to successive increase of _________ ?


aElectronic shells


bProton shells


cNeutron shells


dNucleus


View Answer Electronic shells

Chromatography is used to separate _________ ?


aSolution


bMixtures


cMolecules


dAtoms


View Answer Mixtures

In SI base units, 1 Bq is equal to __________ ?


a10 disintegration per second


b1.5 disintegration per second


c0.01 disintegration per second


d1 disintegration per second



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