Name the acid/base/salt used to prepare the following: i) Gun powder ii) Purify water iii) Electro plating iv) Remove permanent hardness vi) Preservative in pickles v) Fire extinguisher vii) Explosives viii) Preparation of soaps
Answers
Answer:
i) Gun powder
Acid: sulphuric acid
Base: Charcoal
Salt: potassium nitrate
ii) Purify water
Base: Chlorine
iii) Electroplating
Acid: Methanesulphonic acid
Base: Copper
Salt: Alkaline Copper Salt
iv) Remove permanent hardness
Salt: sodium chloride
vi) Preservative in pickles
Acid: Benzoic acid
Salt: sodium salt
v) Fire extinguisher
Acid: sulfuric acid
Base: Water
Salt: sodium bicarbonate
viii) Preparation of soaps
Acid: fatty acid
Base: Sodium hydroxide
Salt: Alkali salts
Answer:
) Gun powder
Acid: sulphuric acid
Base: Charcoal
Salt: potassium nitrate
ii) Purify water
Base: Chlorine
iii) Electroplating
Acid: Methanesulphonic acid
Base: Copper
Salt: Alkaline Copper Salt
iv) Remove permanent hardness
Salt: sodium chloride
vi) Preservative in pickles
Acid: Benzoic acid
Salt: sodium salt
v) Fire extinguisher
Acid: sulfuric acid
Base: Water
Salt: sodium bicarbonate
viii) Preparation of soaps
Acid: fatty acid
Base: Sodium hydroxide
Salt: Alkali salts
Explanation: