10 most difficult colors riddles A list of ten (out of 21) colors related questions that are the most often answered incorrectly Colors quiz For what main reason do chameleons change color? As a social signal to othe chameleons. Color change in chameleons has various functions, depending on the species, but the most common is social signaling. Only few species, such as Smith's dwarf chameleon, also adjust their colors for camouflage. very hard 29% to match their surroundingsto match their surroundings61%as a social signal to othe chameleonsas a social signal to othe chameleons29%their skin change color when pressedtheir skin change color when pressed2%chameleons do not change colorchameleons do not change color5%Created by: globalquiz.org. Statistics based on 4232 answers in 4 languages »reptiles riddles » Why is White Sands Desert in New Mexico so purely white?It is gypsum. White Sands, having 442 total square kilometers of dune fields, is the world's largest surface deposit of gypsum. Unlike other desert sands, it is cool to the touch, due to the high rate of evaporation of surface moisture and the fact that the sands reflect, rather than absorb, the sun's rays.very hard 32% it is gypsumit is gypsum32%it is very fine grained sandit is very fine grained sand10%it iswhite quartzit iswhite quartz35%it is an optical illusionit is an optical illusion22%Created by: Debbie Fox. Statistics based on 11161 answers in 4 languages »soil riddles » How are white pigments used in paints called?Lithopone, a mixture of barium sulfate and zinc sulfide, is widely used as a white pigment powder for paints, putties and plastics. Approximately 220,000 tons of lithopone were produced in 1990. very hard 34% LimeLime28%FlavonesFlavones20%LithoponeLithopone34%OchreOchre15%Created by: Paweł Kołodziejczyk. Statistics based on 2502 answers in 2 languages »chemistry riddles » Which country did these silver sport cars represent?Germany. For decades until the introduction of sponsorship liveries, each country had its traditional color in automobile racing. Italian race cars were red (still used by Ferrari), British ones green, and French blue. Today, Mercedes-Benz Formula One cars are also silver.hard 45% GermanyGermany45%FranceFrance11%ItalyItaly18%Great BritainGreat Britain23%Created by: globalquiz.org. Statistics based on 12638 answers in 2 languages »races riddles » Which color has the greatest albedo?White. Albedo in Latin is simply "whiteness". It is the reflecting power of a surface - the ratio of reflected radiation from the surface to incident radiation upon it.hard 47% whitewhite47%blueblue15%redred25%blackblack12%Created by: Paweł Kołodziejczyk. Statistics based on 3503 answers in 2 languages »Latin riddles » Which chemical element forms compounds which are typically intensely colored?Chromium. The name of chromium means colour in Greek. Its compounds are used as pigments, including chrome yellow which had been used to paint school buses and chromium oxides used as a green color in glassmaking. Natural rubies are colored red due to chromium ions.hard 49% zinczinc20%lithiumlithium15%chromiumchromium49%vanadiumvanadium14%Created by: life-o-holic. Statistics based on 7891 answers in 4 languages »chemical elements riddles » The rainbow is violet on the inside of its arc. What color is it on the outside?Red. Visible light spans from red to violet. It is easy to remember, since wavelengths just outside the visible range are called infrared and ultraviolet.hard 55% blueblue15%greengreen8%yellowyellow20%redred55%Created by: Hà Linh Chi. Statistics based on 13729 answers in 2 languages »optics riddles » Is this a male, or a female cat?A female. This kind of coat coloring, which combines two colors other than white (black and red in this case), is known as tortoiseshell, and it is found almost exclusively in female cats. This is because the X chromosome determines the color of the cat, and there are no color genes in Y chromosome. Thus, female cats with XX chromosomes may be three colored (including white), while male cats with XY chromosomes cannot. (with the exception of very rare XXY sterile males).hard 55% a malea male14%a femalea female55%it is not possible to tellit is not possible to tell26%it is not a cat at allit is not a cat at all3%Created by: Sara Amoncio. Statistics based on 16930 answers in 4 languages »genetics riddles » What kind of lobster is red when fully grown up?None. The normal coloration of lobster is dark bluish green to greenish brown, redder on the body and claws, and greener on the legs. An estimated one in 2 million lobsters are blue. All of them turn red after cooking.hard 57% American lobsterAmerican lobster19%European lobsterEuropean lobster13%Norway lobster (scampi)Norway lobster (scampi)9%nonenone57%Created by: Hitter smasher. Statistics based on 20697 answers in 2 languages »sea animals riddles » What colour is emerald colour a shade of?Green. The name derives from the Greek smaragdos (as well as Lat. smaragdus - green). It refers to the characteristic colour of emerald stones.average 61% redred9%greengreen61%blueblue24%purplepurple4%Created by: Paweł Kołodziejczyk. Statistics based on 4490 answers in 2 languages »gemstones riddles » Play colors quiz and see all the questions.