Resources
Work smarter, not harder
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✔️ Write down all your actual questions & questions for key concepts and important facts
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✔️ Where does today's lecture fit into the bigger picture?
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❌ simply transcribe
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❌ stay passive
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❌ re-read your notes
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Questions
1.0 Chemical Reactions
- What is A Chemical Reaction?
- Why Does The Color Of A Slice Of An Apple Change After Keeping It Exposed To Air ?
- Examples Of Endothermic reaction
- What are the characteristics of a chemical reaction, or how can we determine if a chemical reaction has occurred?
- Why is Magnesium ribbon cleaned before burning in the air?
- What happens when magnesium ribbon Is Burned?
- What Do You Observe When Potassium Iodide Solution Is Added To Lead Nitrate Solution In A Test Tube
- Why Mg Ribbon Should Be Burned By Keeping It As Far As Possible
- What Is A Precipitation Reaction?
- Why is it recommended to always use dilute acids?
- What Happens When Zinc granules react with HCl & H$_2$SO$_4$?
1.1 Chemical Equations
- What Is a Chemical equation?
- What Are The Key parts of a chemical equation?
- What Is a Skeletal chemical equation?
- What is The Law Of conservation of Mass
1.2 Types Of Chemical Reactions
- What Are The Different Types Of Reactions Explain With An Example?
1.2.1 Combination Reaction
- What is Quick lime
- How is Slaked Lime Produced
- What is the use of slaked lime
- What is an Exothermic Reaction
- What is an Endothermic Reaction
- 5 Examples Of Combination Reaction
- 4 Examples Of Exothermic Reactions
1.2.2 Decomposition Reaction
- What Is A Thermal Decomposition Reaction
- What Happens When FeSO$_4$ . H$_2$O Is Heated .Explain The observation?
- How is Lime/Quick Lime Formed? . Mention A Use?
- Examples Of Thermal Decomposition Reaction
- What happens when lead nitrate powder is heated?
- What is an electrolytic Decomposition Reaction
- Examples Of Electrolytic Decomposition Reaction
- What Is A Photochemical Decomposition Reaction
- 2 Examples Of Photochemical Decomposition Reaction
- What happens to silver chloride and silver bromide when exposed to sunlight?
- Which material is used in making camera films
1.2.3 Displacement Reaction
- What is Displacement reaction?
- 7 Examples Of Displacement Reaction
- What happened When Iron Was dipped in copper sulphate solution
1.2.4 Double Displacement Reaction
- What is double displacement reaction
- What happened when sodium sulphate solution was added to Barium Chloride solution?
- 2 Examples Of Double Displacement Reaction
1.2.5 Oxidation And Reduction
- What Happened When Copper Was Heated?
- How can we reverse cuo to cu
- What Are The Three Characteristics Of Oxidation
- What are the three Characteristics of Reduction
- 7 Examples OF Redox Reactions?
- What Is A Reducing Agent
- What Is an oxidising agent
1.3 Have You Observed The Effects Of Oxidation Reactions In Everyday Life?
- What Is The Colour of the metals such as iron,copper and silver when it gets rusting or get corroded
- What Is Corrosion?
- What are The steps to prevent corrosion?
- Examples Of Corrosion?
- What Is Rancidity?
- Steps To Prevent Rancidity
Notes (use sparingly!)
- Mg$(s)$+O$_2$$(g)$———>MgO(s)
- Pb(NO$_3$)$(aq)$+KI$(aq)$————>PbI$_2$$(s)$ +KNO$_3$$(aq)$
- Zn$(s)$+H$_2$SO$_4$$(aq)$————>ZnSO$_4$$(aq)$+H$_2$$(g)$ (Heat)
- CaO$(s)$+H$_2$O$(aq)$——>Ca(OH)$_2$$(aq)$ (Heat)
- FeSO$_4$$(s)$——>Fe$_2$O$_3$$(s)$+SO$_2$$(g)$+SO$_3$$(g)$
- CaCO$_3$$(s)$———>CaO$(s)$+CO$_2$$(g)$
- 2Pb(NO3)2 (s) ⎯⎯⎯⎯ > 2PbO(s) + 4NO2(g) + O2(g)