Month: November 2009

  • Science X | CHEMICAL EQUATIONS

    CHEMICAL EQUATIONS Activity 1.1 can be described as – when a magnesium ribbon is burnt in oxygen, it gets converted to magnesium oxide. This description of a chemical reaction in a sentence form is quite long. It can be written in a shorter form. The simplest way to do this is to write it in…

  • Science X | Chemical Reactions and Equations

    Chemical Reactions and Equations Consider the following situations of daily life and think what happens when – milk is left at room temperature during summers. an iron tawa/pan/nail is left exposed to humid atmosphere. grapes get fermented. food is cooked. food gets digested in our body. we respire.