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Most durable varnish is

AWater varnish

BOil varnish

CTurpentine

DSpirit

Answer:

B. Oil varnish

Read Explanation:

Defects in painting. > Gradual loss of colour of painted surface due to sunlight effect on the pigment is called Fading. > Loosing of small portions of painted surface due to bad adhesion is called Flaking. > While painting small areas be uncovered due to too smooth is called Running. > Glossy patches found on finished painted surface due to bad workmanship or cheap type paint or weather action called Flashing. > Formation of dull patches on finished paint surface due to bad ventilation or defect paint is called Bloom. -->Commonly used pigments are • White-White lead, zinc oxide titanium oxide. • Blue - Iron blue, cobalt blue. • Green-Chrome green, hydrated chromium oxide. • Yellow-Chrome yellow, zinc yellow. • Orange - mixture of chromium yellow and red pigment. • Brown-umber, copper oxide. • Red-red lead, iron oxide. • Black - Lamp black, carbon black, graphite.


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