NCERT Solutions for Class 10 Science Chapter 1: NCERT Solutions form an essential study material for the Class 10 board exam preparations as most questions in exams are asked from the NCERT Book.

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.

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

Symbol equations are a quick way of representing chemical reactions. They show us what atoms are involved and how they are bonded together. Symbol equations always take the form, reactants → products.

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

9. Which of the following statements is true regarding a decomposition reaction? a) A single reactant breaks down into two or more products. b) Two or more reactants combine to form a single product.