Everyday Science MCQs

Page No. 15

The scientific study of fingerprints is called _________ ?


aDactylology

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bDactylography

✓


cDactyliolology

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dDialectology

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View Answer Dactylography

The discovery of neutron became very late because _______ ?


aIt does not carry any charge

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bIt does not move

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cIt is a fundamental particle

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dIt is present in nucleus

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


aJ.J.Thomson

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bChadwick

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cRutherford

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dRobert Millikan

✓


View Answer Robert Millikan

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


a17.031 g/mol

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b18.031 g/mol

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c19.031 g/mol

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d27.033 g/mol

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View Answer 17.031 g/mol

What is the molecular formula for Ammonia?


aNH

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bNH2

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cNH3

✓


dNH4

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View Answer NH3

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


aCarbon dioxide

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bNeon

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cHydrogen

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dArgon

✓


View Answer Argon

What is the Molecular Formula for Glucose _______ ?


aC4H10O6

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bC5H11O6

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cC6H12O6

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dS6H12O6

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View Answer C6H12O6

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


aCarbohydrates

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bLipids

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cProteins

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dNucleic acids

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View Answer Lipids

What is the chemical formula for Sulfuric acid?


aC2H6O

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bCaSO4

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cC2H4O2

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dH2SO4

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View Answer H2SO4

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


aEinstein

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bGiorgi

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cArchimedes

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dNewton

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View Answer Giorgi

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