• ___ Flat
• ___ salts
• A neutralizer
• Acid neutralizer
• Acid neutralizing base
• Acid opposite
• Ammonium hydroxide, e.g.
• Base
• Base that dissolves in water
• Base that's water-soluble
• Base, frequently
• Basic particle?
• Basic solution
• Basic stuff
• Basic substance
• Blue litmus indicator
• Calcium hydroxide, for one
• Caustic liquid
• Caustic material
• Caustic mineral
• Caustic salt
• Certain soluble salts
• Chalk a line covering base (6)
• Chemical base
• Chemical compound
• Chemist's base
• Detergent ingredient
• High-pH chemical
• High-pH hydroxide
• High-pH solution
• High-pH stuff
• High-pH substance
• It turns litmus blue
• It turns litmus paper blue
• It turns red litmus paper blue
• It's basic
• Its pH is higher than 7
• Litmus tester
• Lye, e.g.
• Lye, for one
• Mineral salt found in arid soil
• Mixture of soluble salts
• Poor soil ingredient
• Potassium hydroxide is one
• Soap ingredient
• Soap maker
• Soda ash
• Sodium carbonate for one
• Sodium hydroxide, e.g.
• Sodium, e.g.
• Soluble mineral salt
• Soluble salt
• Soluble salt mixture
• Substance with a pH higher than 7
• Any of various water-soluble compounds capable of turning litmus blue and reacting with an acid to form a salt and water
• A mixture of soluble salts found in arid soils and some bodies of water
• Detrimental to agriculture