• Test Papers 2009-2010
• • CBSE Test Papers for class 10 Science and Technology based on topic Acids, Bases and Salts for the year 2009-2010. All important points related to this topic are covered here. Chemical properties of acids and based, H+ and OH- ions, Neutralisation reactions, pH, salts like common salt, sodium hydroxide, bleaching powder, washing soda, plaster of Paris.

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