FINAL NATS 1870 MIDTERM 2
EXAM 2025 QUESTIONS AND
ANSWERS
Natural Inorganic (plant/mineral): - ....ANSWER ...-earth clays
minerals: vermillion, ultramarine and malachite
Natural Organic - ....ANSWER ...-Indigo
Tyrian Purple
Madder Red
Synthetic Organic - ....ANSWER ...-post Perkin dyes
Perkins violet
alizarian crimson
azo family
phthalocyanines
Synthetic Inorganic - ....ANSWER ...-arsenic-containing greens
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 1
, chromium yellow, orange
cadmium reds
Making paint - ....ANSWER ...-pigments are ground to form a powder, then
mixed with cave water. Animal fats, vegetable oills and urine was used to help paint
adhere
Ancient Faience - ....ANSWER ...-grinding quartz or sand crystals and
mixing them with various levels of sodium, potassium, calcium, magnesium and/or
copper oxide.
When heated forms a glass like glaze.
Ultramarine pigment - ....ANSWER ...-Lapis Lazuli is ground and mixed
with wax, flax oil and pine resin. It is then kneaded in a dilute dye bath.
Van Gogh - ....ANSWER ...-Used chrome yellow which degrades into
brown in some instances.
Paint Components - ....ANSWER ...-binders
pigments
volatile substances
additives
Pigments - ....ANSWER ...-give paint colour
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 2
EXAM 2025 QUESTIONS AND
ANSWERS
Natural Inorganic (plant/mineral): - ....ANSWER ...-earth clays
minerals: vermillion, ultramarine and malachite
Natural Organic - ....ANSWER ...-Indigo
Tyrian Purple
Madder Red
Synthetic Organic - ....ANSWER ...-post Perkin dyes
Perkins violet
alizarian crimson
azo family
phthalocyanines
Synthetic Inorganic - ....ANSWER ...-arsenic-containing greens
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 1
, chromium yellow, orange
cadmium reds
Making paint - ....ANSWER ...-pigments are ground to form a powder, then
mixed with cave water. Animal fats, vegetable oills and urine was used to help paint
adhere
Ancient Faience - ....ANSWER ...-grinding quartz or sand crystals and
mixing them with various levels of sodium, potassium, calcium, magnesium and/or
copper oxide.
When heated forms a glass like glaze.
Ultramarine pigment - ....ANSWER ...-Lapis Lazuli is ground and mixed
with wax, flax oil and pine resin. It is then kneaded in a dilute dye bath.
Van Gogh - ....ANSWER ...-Used chrome yellow which degrades into
brown in some instances.
Paint Components - ....ANSWER ...-binders
pigments
volatile substances
additives
Pigments - ....ANSWER ...-give paint colour
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 2
