Question 1 What is an indicator? Name three indicators? Question 2 What is the use of litmus solution? Question 3 Why does a yellow curry stain on a white shirt turn red when it is washed with soap? Question 4 Give few differences between acids and bases? Question 5 What are acids?Name different types of acids?Give examples ? Question 6 What are bases? Name … [Read more...] about Indicators, Acids and Bases
base
Strengths of Acids And Bases
According to Arrhenius concept, an acid is defined as a substance which when dissolved in water gives H+ and a base is defined as a substance which when dissolved in water give OH‾ ions. Greater the number of H+ ions produced in the aqueous solution, the stronger is the acid. Greater the number of OH‾ ions produced in the aqueous solution, the stronger is the base. As … [Read more...] about Strengths of Acids And Bases
Concepts of Acids and Bases
Classical concept of acids and bases Acid is a substance whose aqueous solution possessed the following characteristic properties 1)conduct electricity 2) reacts with active metals like zinc ,magnesium to give hydrogen 3) turns blue litmus to red 4) has a sour taste 5)whose acidic properties disappear on reaction with a base Base is a substance whose … [Read more...] about Concepts of Acids and Bases
Bases
Question 1 Define a base.Give example? Question 2 What are alkali? Question 3 What is common in all bases? Question 4 What are strong bases.Give example? Question 5 What are weak bases.Give example? Question 6 What happen when zinc granules are heated with sodium hydroxide solution? Question 7 What happen when a base react with non-metal oxide? Bases Bases … [Read more...] about Bases