Thursday, April 29, 2021

Acids, Bases and Salts | Class 10 | Activity 2.5 with Solution

Activity 2.5
  • Take two test tubes, label them as A and B.
  • Take about 0.5 g of sodium carbonate (Na2CO3) in test tube A and about 0.5 g of sodium hydrogencarbonate (NaHCO3) in test tube B.
  • Add about 2 mL of dilute HCl to both the test tubes.
  • What do you observe?
  • Pass the gas produced in each case through lime water (calcium hydroxide solution) as shown in Fig. 2.2 and record your observations.

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