The Full Wiki

Phosphorus: Quiz
  
  
  
  
  

Did you know ...


More interesting facts on Phosphorus

Include this on your site/blog:
Question 1: [13] Organophosphorus compounds have many applications, including in plasticizers, ________, pesticides, extraction agents, and water treatment.
Fire retardantFire classesFlame retardantFire control

Question 2: Phosphorus (pronounced /ˈfɒsfərəs/, FOS-fər-əs) is the chemical element that has the symbol P and ________ 15.
HafniumPeriodic tableLanthanumAtomic number

Question 3: ________: (NH4)3PO4, Ca3(PO4)2, FePO4, Fe3(PO4)2, Na3PO4, Ca(H2PO4)2, KH2PO4
Adenosine triphosphatePhosphorusPhosphatePhosphate homeostasis

Question 4: In appearance, properties, and structure, it resembles ________, being black and flaky, a conductor of electricity, and has puckered sheets of linked atoms.
CarbonGraphiteDiamondCarbon nanotube

Question 5: Diphosphine (P2H4 or H2P-PH2) is an analogue of ________ (N2H4) that is a colourless liquid that spontaneously ignites in air and can disproportionate into phosphine and complex hydrides.
Monomethylhydrazine2,4-DinitrophenylhydrazineUnsymmetrical dimethylhydrazineHydrazine

Question 6: Although the term "phosphorescence", meaning glow after illumination, derives from phosphorus, glow of phosphorus originates from oxidation of the white (but not red) phosphorus and should be called ________.
Incandescent light bulbGlow stickChemiluminescenceFluorescent lamp

Question 7: ________:P4O6, P4O10
HydrogenOxygenIronOxide

Question 8: In one process, ________ phosphate, which is derived from phosphate rock, is heated in an electric or fuel-fired furnace in the presence of carbon and silica.
MagnesiumIronAluminiumCalcium

Question 9: In 1865, Hittorf discovered that when phosphorus was recrystallized from molten ________, a red/purple form is obtained.
ZincTinGoldLead

Question 10: [22] Brand experimented with ________, which contains considerable quantities of dissolved phosphates from normal metabolism.
NitrogenChlorineUrineAmmonia
















Got something to say? Make a comment.
Your name
Your email address
Message
Please enter the solution to case below
12+8=