Chemistry of Colors Quiz - Discover the Science Behind Color Perception

Question 1 of 35

What is the primary cause of color in substances?

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Light absorption

Chemical bonding

Temperature changes

Molecular weight

Question 2 of 35

Which pigment is responsible for the green color in plants?

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Carotene

Anthocyanin

Chlorophyll

Xanthophyll

Question 3 of 35

What is the color of a substance that absorbs all wavelengths of visible light?

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White

Black

Red

Blue

Question 4 of 35

Which of the following colors is produced by mixing red and blue light?

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Yellow

Green

Purple

Orange

Question 5 of 35

What type of chemical bonds are involved in the absorption of light by pigments?

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Ionic bonds

Covalent bonds

Metallic bonds

Hydrogen bonds

Question 6 of 35

Which molecule is known for its role in giving fruits their red and blue colors?

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Chlorophyll

Carotenoids

Anthocyanins

Tannins

Question 7 of 35

What color do you get when you mix equal parts of red and green light?

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Yellow

Cyan

Magenta

White

Question 8 of 35

Which of the following is not a primary color in the additive color model?

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Red

Green

Blue

Yellow

Question 9 of 35

Which type of spectroscopy is used to study the absorption of visible light by substances?

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Infrared spectroscopy

Nuclear magnetic resonance

Mass spectrometry

UV-Vis spectroscopy

Question 10 of 35

What is the effect called when a substance appears to change color due to varying light conditions?

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Metamerism

Fluorescence

Phosphorescence

Refraction

Question 11 of 35

Which of the following colors is typically associated with the presence of carotenoids?

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Green

Blue

Orange

Purple

Question 12 of 35

What is the primary difference between fluorescence and phosphorescence?

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Time of light emission

Type of light emitted

Color of light emitted

Intensity of light emitted

Question 13 of 35

Which of these is a common natural dye used in textiles?

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Indigo

Tungsten

Cadmium

Zinc

Question 14 of 35

In the context of colors, what does the term 'metamerism' refer to?

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Color changes due to light source

Mixing of pigments

Color blindness

Permanent dyeing process

Question 15 of 35

Which color does a substance typically absorb if it appears red to the human eye?

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Red

Green

Blue

Yellow

Question 16 of 35

Which pigment gives the yellow color in leaves?

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Chlorophyll

Xanthophyll

Carotene

Lycopene

Question 17 of 35

Which element is commonly used to produce blue pigments in ceramics and glass?

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Copper

Iron

Cobalt

Nickel

Question 18 of 35

What is the main reason for the color change in litmus paper?

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Chemical reaction

Physical absorption

Thermal effect

Mechanical change

Question 19 of 35

Which of the following colors is the result of a substance absorbing green light?

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Red

Yellow

Blue

Purple

Question 20 of 35

What property of a pigment determines its color?

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Molecular weight

Electron configuration

Wavelength of light absorbed

Density

Question 21 of 35

Which natural pigment is responsible for the color of tomatoes?

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Chlorophyll

Carotene

Anthocyanin

Lycopene

Question 22 of 35

Which of the following colors is NOT in the visible spectrum of light?

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Infrared

Red

Blue

Green

Question 23 of 35

What is the term for the color change in a solution due to the pH level?

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Indicator

Chromophore

Spectral shift

Light absorption

Question 24 of 35

Which of the following is a synthetic dye used in textiles?

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Indigo

Madder

Alizarin

Aniline

Question 25 of 35

What is the primary component of black ink in most modern printing processes?

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Charcoal

Graphite

Carbon black

Iron oxide

Question 26 of 35

Which of these compounds is commonly used as a dye in hair coloring products?

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Hydrogen peroxide

Ammonia

P-phenylenediamine

Sodium chloride

Question 27 of 35

What is the role of conjugated double bonds in the color of organic compounds?

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Increased solubility

Increased reactivity

Absorption of specific wavelengths

Enhanced stability

Question 28 of 35

Which phenomenon occurs when a material emits light after being exposed to radiation?

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Fluorescence

Refraction

Diffraction

Reflection

Question 29 of 35

Which of the following substances is used as a pigment in red paint?

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Titanium dioxide

Cadmium red

Zinc oxide

Prussian blue

Question 30 of 35

Which term describes a color that results from the mixing of primary colors of light?

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Secondary color

Tertiary color

Complementary color

Neutral color

Question 31 of 35

What is the effect called when a material glows in the dark after exposure to light?

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Luminescence

Reflection

Refraction

Phosphorescence

Question 32 of 35

Which color of light has the shortest wavelength?

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Red

Green

Blue

Violet

Question 33 of 35

Which pigment is often used to create green in synthetic paints and dyes?

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Phthalo green

Ultramarine blue

Cadmium yellow

Titanium white

Question 34 of 35

What is the main reason for the blue color of the sky?

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Rayleigh scattering

Mie scattering

Absorption

Reflection

Question 35 of 35

Which of the following colors is produced by a substance that reflects all visible wavelengths equally?

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Black

White

Red

Green

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