Everyday Science MCQs

Page No. 15

The scientific study of fingerprints is called _________ ?


aDactylology


bDactylography


cDactyliolology


dDialectology


View Answer Dactylography

The discovery of neutron became very late because _______ ?


aIt does not carry any charge


bIt does not move


cIt is a fundamental particle


dIt is present in nucleus



The absolute value of charge on electron was determined by ________ ?


aJ.J.Thomson


bChadwick


cRutherford


dRobert Millikan


View Answer Robert Millikan

What is the molecular weight of Ammonia (NH3) ________ ?


a17.031 g/mol


b18.031 g/mol


c19.031 g/mol


d27.033 g/mol


View Answer 17.031 g/mol

What is the molecular formula for Ammonia?


aNH


bNH2


cNH3


dNH4


View Answer NH3

What is the third most common gas found in the air we breathe ________ ?


aCarbon dioxide


bNeon


cHydrogen


dArgon


View Answer Argon

What is the Molecular Formula for Glucose _______ ?


aC4H10O6


bC5H11O6


cC6H12O6


dS6H12O6


View Answer C6H12O6

Which of the following is a diverse group of hydrophobic molecules?


aCarbohydrates


bLipids


cProteins


dNucleic acids


View Answer Lipids

What is the chemical formula for Sulfuric acid?


aC2H6O


bCaSO4


cC2H4O2


dH2SO4


View Answer H2SO4

The M.K.S. system was first introduced by _________ ?


aEinstein


bGiorgi


cArchimedes


dNewton


View Answer Giorgi

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