Cambridge O level Chemistry 5070/12/M/J/21 | Fully Solved Paper 12 | May/Jun 2021 Qp 12 | Mcqs Paper

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This video includes detailed explanation of Multiple choice questions from O-Level 5070 Chemistry CIE
The Paper solved is Variant 2 of Paper 1 from May-Jun 2021
You can go through these solved questions to develop deep understanding of concepts and their applications

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O levels All Paper 1 Multiple choice paper Links:

Year 2021
=========

2021 May/June Paper 11
   • Cambridge O level Chemistry 5070/11/M/J/21...  

2021 May/June Paper 12
   • Cambridge O level Chemistry 5070/12/M/J/21...  
......................


Year 2020
=========

2020 Oct/Nov Paper 11
   • Cambridge O level Chemistry 5070/11/O/N/20...  

2020 Oct/Nov Paper 12
   • Cambridge O level Chemistry 5070/12/O/N/20...  
......................

2020 May/June Paper 11
   • Cambridge O level Chemistry 5070/11/M/J/20...  

2020 May/June Paper 12
   • Cambridge O level Chemistry 5070/12/M/J/20...  
......................


Year 2019
=========

2019 Oct/Nov Paper 11
   • Cambridge O level Chemistry 5070/11/O/N/19...  

2019 Oct/Nov Paper 12
   • Cambridge O level Chemistry 5070/12/O/N/19...  
......................

2019 May/June Paper 11
   • Cambridge O level Chemistry 5070/11/M/J/19...  

2019 May/June Paper 12
   • Cambridge O level Chemistry 5070/12/M/J/19...  
......................


Year 2018
=========

2018 Oct/Nov Paper 11
   • Cambridge O level Chemistry 5070/11/O/N/18...  

2018 Oct/Nov Paper 12
   • Cambridge O level Chemistry 5070/12/O/N/18...  
......................

2018 May/June Paper 11
   • Cambridge O level Chemistry 5070/11/M/J/18...  

2018 May/June Paper 12
   • Cambridge O level Chemistry 5070/12/M/J/18...  
......................




Timestamps:

00:00 Introduction
00:22 Question no. 1 Experimental-Mass
01:55 Question no. 2 Purity, Boiling Point
02:42 Question no. 3 Mixture Separation
04:21 Question no. 4 Cation Anion Identification
07:16 Question no. 5 Gas Identification
09:07 Question no. 6 Freezing Property
10:13 Question no. 7 Electrons Atoms Ions
12:06 Question no. 8 Isotopes Group No
13:53 Question no. 9 Ethene Covalent Bonding Structure
15:13 Question no. 10 Molar Mass Percentage Composition
18:04 Question no. 11 Moles of Atoms
22:48 Question no. 12 Moles Volume Equation
26:06 Question no. 13 Moles Percentage by Mass
30:38 Question no. 14 Molten Salt Electrolysis
32:12 Question no. 15 Ions in Aqueous Salt
32:50 Question no. 16 Natural Gas Composition
33:36 Question no. 17 Sugarcane Fuel
34:33 Question no. 18 Rate of Reaction Conditions
36:09 Question no. 19 Metal Acid Reaction Graph
40:19 Question no. 20 Oxidising Reducing Agents
43:31 Question no. 21 Equilibrium Position
44:53 Question no. 22 pH Acid Alkali Salt
46:22 Question no. 23 Precipitation Acid Salt
48:03 Question no. 24 Ammonium Salt Formation
49:35 Question no. 25 Contact Process Catalyst
51:36 Question no. 26 Periodic Table Properties
53:58 Question no. 27 Periodic Table Group 4 Properties
56:33 Question no. 28 Group 1 Element Properties
58:26 Question no. 29 Transition Element Properties
59:40 Question no. 30 Reduction with Carbon
01:01:13 Question no. 31 Aluminium Properties
01:02:29 Question no. 32 Corrosion Sacrificial Protection
01:03:41 Question no. 33 Iron Extraction
01:05:06 Question no. 34 Aluminium Preparation Properties
01:06:38 Question no. 35 Free Radical Reaction
01:08:33 Question no. 36 Hydrogenation Margarine
01:09:55 Question no. 37 Alcohol Properties
01:12:50 Question no. 38 Carboxylic Acid Functional Group
01:13:45 Question no. 39 Polymers Properties
01:16:10 Question no. 40 Starch Properties


#Chemistry #Olevel #2021