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Showing posts with the label Precipitation reaction

chemical reaction and Types of chemical reactions

  Types of chemical reactions A chemical reaction is the process to involve the breaking and making or formation   of chemical   bonds between atoms to produce new substances is known as chemical reaction . A chemical reaction is the chemical transformation in which   one type of substance which is reactants reacts chemically and converts   into a new substances which is products. There are different types of chemical reaction :--   1. Combination   reaction:---                                            In this combination reaction, single products is formed from two or more reactants is known as combination reactions. Combination reactions is also called as synthesis reaction Example :--          CaO (s) + H 2 O (l)      →          Ca(OH) 2 (aq)    + heat   Here, calcium oxide and water Is combined to form a single product calcium hydroxide.   Burning of coal:--   C (s) + O 2 (g)    →        CO 2 (g)   Formation of water from H 2 (g)and O 2 (g) 2