Tag: Class 10th Science

  • 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.

  • Science X | Unit 1 : Chemical Substances – Nature and Behaviour

    Unit 1 : Chemical Substances – Nature and Behaviour Acids, bases and salts : General properties, examples and uses, concept of pH scale, importance of pH in everyday life; preparation and uses of sodium hydroxide, Bleaching powder, Baking soda, washing soda and Plaster of Paris. Chemical reactions : Chemical Equation, Types of chemical reactions :…