Everyday Science
Everyday Science MCQs With Answers
696 Everyday Science MCQs for CSS, PPSC, FPSC, NTS and entry-test preparation. Take a scored quiz instead →
← All Main Subjects
Computer (596)
Current Affairs (1549)
English (1089)
Everyday Science (696)
General Knowledge (1134)
Islamic Studies (576)
Mathematics (1624)
Pakistan Studies (942)
Alpha radiation, one of the main types of radiation released during radioactive decay, consists of particles that are equivalent to the nucleus of which element?
ACarbon
BHelium
COxygen
DHydrogen
What term describes a chemical reaction in which a more reactive element takes the place of a less reactive element within a compound?
ASublimation only
BCombustion reaction only
CNeutralization reaction
DDisplacement reaction
Beta radiation, another common type of radiation released during radioactive decay, primarily consists of what type of particle?
AHigh-speed electrons
BProtons
CNeutrons
DPhotons of visible light
What general term describes a chemical reaction that involves both oxidation, meaning the loss of electrons, and reduction, meaning the gain of electrons, occurring together?
ANeutralization reaction
BRedox reaction
CFermentation only
DPrecipitation reaction only
Solar, wind, hydroelectric, and geothermal power are commonly grouped together under what broad category of energy sources?
ANon-renewable energy sources
BRenewable energy sources
CNuclear energy sources only
DFossil fuels
What term describes a chemical reaction in which two soluble solutions are mixed together and react to form an insoluble solid?
APrecipitation reaction
BCombustion reaction
CSublimation only
DFermentation only
A wind turbine generates electricity by converting the kinetic energy of moving air into what other form of energy?
AChemical energy
BNuclear energy
CSound energy primarily
DElectrical energy
The reactivity series, a list commonly used in chemistry, ranks various metals according to what characteristic?
ATheir exact market price
BTheir historical date of discovery
CTheir overall color
DHow readily they tend to react, particularly with substances like water, acids, and oxygen
Hydroelectric power plants generate electricity primarily by harnessing the energy of what natural resource?
AWind
BFlowing or falling water
CSunlight
DUnderground heat
What is the key difference between a strong acid and a weak acid in chemistry?
AA strong acid fully ionizes, or breaks apart, in water, while a weak acid only partially ionizes
BA weak acid fully ionizes in water, while a strong acid only partially ionizes
CA strong acid always has a higher pH value than a weak acid
DThere is no meaningful chemical difference between the two, only a difference in taste