ash
base
black
bowl
caustic
chemical
chemistry
chloride
cleaning
coal
compound
corrosive
danger
detergent
dry
erode
flake
glass
handicraft
handmade
hydrated
hydroxide
industrial
ingredient
inorganic
laboratory
lye
making
manufacturing
material
naoh
natural
nature
object
peel
ph
potassium
powder
powdered
reaction
resistant
scale
soap
soda
sodium
sodium hydroxide
solid
substance
wash
white