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USING SOLVENTS
PREPARED BY BISMA NOOR CLASS V BG.SCIENCE
FAZAIA DEGREE COLLEGE FAISAL KARACHI
EXAMPLES OF SOLUTIONS
WATER AS A UNIVERSAL SOLVENT
paints
SOLVENT OF PAINTS
1. Water2. White
spirit
GLUES
SOLVENT OF GLUES
INKS AND DRY CLEANING• Inks of ball points,fibre tip pens and other types contain dyes mixed with
solvents that evaporate very quickly.
INKS AND DRY CLEANING
• Many stains on clothes,carpets and furnishings donot dissolve in water so the people who specialize in cleaning these materials have to find out solvents which dissolve them.
METAL ALLOYS• MAKING AN ALLOY
• It is dissolving a solid in a molten solid.
PROBLEM OF STEELi. RUSTS
CHROMIUM
NICKEL TO THE MOLTEN STEEL
STAINLESS STEEL