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 … [Read more...] about Bases