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General Science Mcqs for PPSC, FPSC, NTS

A mixture of sand and naphthalene can be separated by ________ ?

A. Chromatography
B. Fractional distillation
C. Sublimation
D. None of these

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

A. Giorgi
B. Archimedes
C. Einstein
D. Newton

What is the chemical formula for Sulfuric acid?

A. C2H6O
B. CaSO4
C. C2H4O2
D. H2SO4

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

A. Carbohydrates
B. Lipids
C. Proteins
D. Nucleic acids

What is the Molecular Formula for Glucose _______ ?

A. C4H10O6
B. C5H11O6
C. C6H12O6
D. S6H12O6

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

A. Hydrogen
B. Neon
C. Carbon Dioxide
D. Argon

What is the molecular formula for Ammonia?

A. NH
B. NH2
C. NH3
D. NH4

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

A. 17.031 g/mol
B. 18.031 g/mol
C. 19.031 g/mol
D. 27.033 g/mol

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

A. J.J.Thomson
B. Chadwick
C. Rutherford
D. Robert Millikan

The discovery of neutrons became very late because _______ ?

A. It does not carry any charge
B. It does not move
C. It is a fundamental particle
D. It is present in nucleus

The scientific study of fingerprints is called _________ ?

A. Dactylography
B. Dactylology
C. Dactyliology
D. Dialectology

The medical branch of science that deals with the study of skin, its functions, diseases, & treatment is ________ ?

A. Dermatology
B. Dormatology
C. Deontology
D. Dermatoglyphics

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