CHAPTER – 2 Acids, Bases and Salts You have learnt in your previous classes that the sour and bitter tastes of food are due to acids and bases, respectively, present in them. If someone in the family is suffering from a problem of acidity after overeating, which of the following would you suggest as a…

Oxidation and Reduction Activity 1.11 Heat a china dish containing about 1 g copper powder (Fig. 1.10). What do you observe? The surface of copper powder becomes coated with black copper(II) oxide. Why has this black substance formed? This is because oxygen is added to copper and copper oxide is formed. Figure 1.10