An iron nail is placed in a solution of blue copper(II) sulfate. Over time, a brown solid appears and the solution becomes colourless. This is because copper and a solution of iron(II) sulfate forms.
CBSE Class 10 Science revision notes for Chapter 1 Chemical Reactions and Equations are available here. These notes are entirely according to the latest CBSE syllabus of Class 10 Science. Check these ...
To balance an unbalanced equation, you need to add numbers to the left of one or more formulae. Here is one way to work out how to do this for the reaction between nitrogen and hydrogen.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results