What does a downward arrow generally show in a chemical equation?
Answer and explanation
Correct answer: Formation of a precipitate
A downward arrow (↓) in a chemical equation generally indicates the formation of a precipitate, which is an insoluble solid produced in a solution. For example, mixing silver nitrate and sodium chloride forms solid silver chloride. The downward arrow therefore represents a solid settling out, whereas gas evolution is conventionally shown by an upward arrow.
Frequently asked questions
What is the correct answer to this question?
Formation of a precipitate
Why is this the correct answer?
A downward arrow (↓) in a chemical equation generally indicates the formation of a precipitate, which is an insoluble solid produced in a solution. For example, mixing silver nitrate and sodium chloride forms solid silver chloride. The downward arrow therefore represents a solid settling out, whereas gas evolution is conventionally shown by an upward arrow.
Which subject and chapter does this question cover?
This is a Class 10 Science question. Chapter: Chemical Substances – Nature and Behaviour. Topic: Chemical Reactions and Equations.
