The activity belongs to the chapter 2 Acids, Bases and Salts class 10 science demonstrate the chemical reaction between acid and bases. Aim of the activity To observe the reaction between zinc and sodium hydroxide and identify the evolving gas Materials used in the activity Test tubes Sodium hydroxide solution Zinc granules Beaker Dropper Soap … Read more
This activity is about reactions of metals with acids that is from chapter 2 Acids, Bases and Salts. Aim of the activity To observe the reaction between zinc and dilute hydrochloric acid and identify the evolving gas Materials used in the activity Test tubes Dilute sulphuric acid Zinc granules Beaker Droper Soap solution Burning candle … Read more
The indicators tells us the given substances are acidic or basic in nature by changing the colour and olfactory indicators change their smell or odour when they come in contact with an acid or base. Aim of activity To observe the changes in odour of cloth strips soaked in onion, vanilla essence and clove … Read more
Aim of the activity To test the acid bases using different indicators and record the observation to understand the acidic and basic nature. Material used in the activity Samples of acids and bases Hydrochloric acid (HCl) Sulphuric acid (H2SO4) Nitric acid (HNO)3 Acetic acid (CH3COOH) Sodium hydroxide (NaOH) Calcium hydroxide [Ca(OH)2] Potassium hydroxide (KOH) … Read more
To perform the activity from the chemical reactions and equations, we should follow the following method. Material used in the activity China dish Copper powder Burner Procedure We will take 1 g copper powder in a china dish and put it on the burner and heat it for some time and observe the change. … Read more
Activity Aim of the activity To observe the reaction between sodium sulphate and barium chloride solutions and formation of precipitate Material used in the activity Sodium sulphate solution Barium chloride solution Test tubes Procedure We will take about 3 ml 3 ml of sodium sulphate solution in a test tube and 3 ml … Read more
Activity Aim of the activity To study the displacement reaction between iron and copper sulphate Material used in the activity Iron nails Sand paper Test tubes Copper sulphate solution Thread Procedure We will take three iron nails and clean them by rubbing with sand paper. After that we will take two test tubes … Read more
Activity Aim of the activity To observe the effect of sunlight on silver chloride and find the chemical changes that occurs Material used in the activity China dish Silver chloride powder Procedure We will take about 2 g silver chloride in a China dish and place this China dish in sunlight for some time. … Read more
Aim of the activity To perform the electrolysis of water using carbon electrodes and identify the gases collected in the test tube at the electrodes. Material used in the activity Plastic mug Rubber Stoppers Carbon electrodes 6 Volt battery Water Sulphuric acid 7.Two test tubes Switch Wires Procedure We will take a plastic mug … Read more
I Aim of the activity To observe the effect of heat on ferrous sulphate crystals and identify the changes in the colour due to the chemical reaction. Material used in the activity Boiling tube Ferrous sulphate crystals Tongues Spirit lamp or burner Procedure We will take about 2 g Ferrous sulphate crystals in a dry … Read more