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 21% to match their surroundingsto match their surroundings53%as a social signal to othe chameleonsas a social signal to othe chameleons21%their skin change color when pressedtheir skin change color when pressed5%chameleons do not change colorchameleons do not change color18%Created by: globalquiz.org. Statistics based on 7124 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 30% it is gypsumit is gypsum30%it is very fine grained sandit is very fine grained sand10%it iswhite quartzit iswhite quartz36%it is an optical illusionit is an optical illusion22%Created by: Debbie Fox. Statistics based on 12881 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 31% LimeLime34%FlavonesFlavones19%LithoponeLithopone31%OchreOchre14%Created by: Paweł Kołodziejczyk. Statistics based on 3480 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 46% GermanyGermany46%FranceFrance11%ItalyItaly17%Great BritainGreat Britain25%Created by: globalquiz.org. Statistics based on 18020 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 46% whitewhite46%blueblue15%redred24%blackblack12%Created by: Paweł Kołodziejczyk. Statistics based on 6080 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 48% zinczinc20%lithiumlithium16%chromiumchromium48%vanadiumvanadium13%Created by: life-o-holic. Statistics based on 13222 answers in 4 languages »chemical elements 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 53% a malea male15%a femalea female53%it is not possible to tellit is not possible to tell27%it is not a cat at allit is not a cat at all3%Created by: Sara Amoncio. Statistics based on 24859 answers in 4 languages »genetics 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%greengreen9%yellowyellow19%redred55%Created by: Hà Linh Chi. Statistics based on 18996 answers in 2 languages »optics 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 lobster14%Norway lobster (scampi)Norway lobster (scampi)9%nonenone57%Created by: Hitter smasher. Statistics based on 28950 answers in 2 languages »sea animals riddles » What colour is sapphire colour a shade of?Blue. The name of the colour comes from sapphire, a blue variety of the corundum.average 60% redred10%greengreen18%blueblue60%purplepurple10%Created by: Paweł Kołodziejczyk. Statistics based on 7380 answers in 2 languages »gemstones riddles » Play colors quiz and see all the questions.