Question

State five uses of bases.​

Answer 1

• Sodium hydroxide is used in the manufacture of soap. It is used in petroleum refining; in making medicines, paper, pulp, etc. It is used in making rayon.
• Calcium hydroxide is also known as slaked lime. It is used to neutralize acid in water supplies; in the manufacture of bleaching powder; as a dressing material for acid burns; as an antidote for food poisoning.
• Ammonium hydroxide is used to remove ink spots from clothes and to remove grease from window-panes. It is used in the cosmetic industry.
• Alkalis are used in alkaline batteries. Generally, potassium hydroxide is used in such batteries.
• Strontium hydroxide(Sr(OH)2) is used in the food industry for the refining of beet sugar.