Why is a precipitate shown by a downward arrow in a chemical equation?
Answer and explanation
Correct answer: It separates as an insoluble solid
A precipitate is a solid substance formed when two aqueous solutions react and the product is insoluble in the liquid. It settles or remains suspended separately from the solution, so a downward arrow (↓) is placed after its formula in a chemical equation. A gas is represented by an upward arrow (↑), while heat release and light emission require separate symbols or words and are not the meaning of the downward arrow.
Frequently asked questions
What is the correct answer to this question?
It separates as an insoluble solid
Why is this the correct answer?
A precipitate is a solid substance formed when two aqueous solutions react and the product is insoluble in the liquid. It settles or remains suspended separately from the solution, so a downward arrow (↓) is placed after its formula in a chemical equation. A gas is represented by an upward arrow (↑), while heat release and light emission require separate symbols or words and are not the meaning of the downward 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.