Everyday Science
Everyday Science MCQs With Answers
741 Everyday Science MCQs for CSS, PPSC, FPSC, NTS and entry-test preparation. Take a scored quiz instead →
What is the process called in which iron or steel is coated with a layer of zinc to help prevent rusting?
AVulcanization
BSaponification
CAnodizing
DGalvanization
What term describes the nuclear process in which a heavy atomic nucleus splits into two or more smaller nuclei, releasing a large amount of energy?
AChemical combustion
BNuclear fission
CNuclear fusion
DRadioactive decay only
In a sound wave, what property is most closely related to the pitch that a listener perceives?
ASpeed of sound
BAmplitude
CWave color
DFrequency
What term describes the electrochemical process used to form a durable, protective oxide layer on the surface of aluminum products?
ADistillation
BGalvanization
CAnodizing
DFermentation
What term describes the nuclear process in which light atomic nuclei combine to form a heavier nucleus, releasing energy, and which powers the sun?
ANuclear fusion
BElectrolysis
CBeta decay
DNuclear fission
In what unit is the loudness, or intensity, of sound commonly measured?
AHertz
BDecibels
CWatts per hour
DNewtons
Hydrogen peroxide, commonly used as a mild antiseptic and bleaching agent, has which chemical formula?
AH2O3
BH2O
CHO2
DH2O2
What is the theoretical temperature known as absolute zero, the coldest temperature possible?
A0 degrees Celsius
B-273.15 degrees Celsius
C-100 degrees Celsius
D-500 degrees Celsius
Why is it generally more difficult to walk without slipping on ice compared to walking on regular pavement?
AIce is a poor conductor of heat
BIce is much heavier than pavement
CIce has significantly less friction than pavement
DIce generates static electricity
Common household bleach primarily contains which active chemical compound?
ASodium chloride
BCitric acid
CSodium hypochlorite
DCalcium carbonate