The processes like crystallisation, boiling, vaporisation, burning of colour, melting point, hardness etc, are called physical changes. These are reversible in nature. The processes like ...
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.
It's important to recognise which elements are written with a subscript 2 and which are not. Take care to use the correct form in chemical equations involving these elements.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results