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Donate/Support: Show your love by Donating to this Channel. EasyPaisa: IBAN: PK74TMFB0000000045655935 JazzCash: +92-342-0722062 Bank Transfer: SWIFT/BIC Code: UNILPKKA IBAN: PK50UNIL0109000217250207 Contact: Whatsapp Only (+92-342-0722062) Mutual Secret: https://bit.ly/38kvI4T 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 If you like this video please subscribe, leave a comment and share with your friends :) 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