NCERT_Science_Class-X_Chapter-1

Chemical Reactions and Equations Activity1.1: Burning of Magnesium Description: Magnesium Burns in Air(Oxygen) to form Magnesium Oxide. Activity1.2: Reaction: Lead Nitrate and Potassium Iodide

Description: When a solution of lead nitrate is poured into a solution of Potassium iodide a yellow precipitate of lead iodide is formed.

Activity1.3: Reaction: Zinc and Sulfuric Acid

Description: Concentrated sulfuric acid reacts vigorously with zinc. The gas evolved is hydrogen from this highly exothermic reaction.

Activity1.4: Reaction: Calcium Oxide and Water

Description:This experiment serves to demonstrate the exothermic chemical reaction between water (H20) and calcium oxide (CaO).

Activity1.5: Reaction: Decomposition of Iron Sulphate

Description: Iron sulphate decomposes into ironoxide and sulphur oxides

Activity1.6: Reaction: Decomposition of Lead Nitrate

Description: Lead Nitrate decomposes into lead oxide releasing NO2 gas

Activity1.7: Electrolysis of water

Description: Water dissociates into Hydrogen and Oxygen gas.

Activity1.8: Reaction: Decomposition of Silver Chloride in sunlight

Description: Silver chloride decomposes into silver and chlorine gas, a method used in earlier photography.

Activity1.9: Reaction: Iron with Copper Sulphate

Description: Iron being more reactive displaces copper to form iron-sulphate. Copper gets deposited on iron nails.

Activity1.10:Reaction:Sodium sulphate and barium chloride

Description: Barium sulphate forms as white precipitate.

Activity1.11:Heating Copper in air

Description: Surface of copper oxidizes forming copper oxide.

That's all in chapter 1. Do post your comments and suggestions.

Signing off
Deepoo Kumar