Sam Mahal

About Sam Mahal

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So far Sam Mahal has created 44 blog entries.

States of matter – video

2022-09-14T15:10:26+00:00Categories: Uncategorized|Tags: , , , |

Diffusion – video

2022-09-14T15:49:10+00:00Categories: Uncategorized|Tags: , , , |

Diffusion 2 – video

2022-09-15T08:48:46+00:00Categories: Uncategorized|Tags: , , , |

Diffusion – video

2022-09-20T13:57:55+00:00Categories: Uncategorized|Tags: , , , |

Solubility curves – video

2022-09-14T15:58:00+00:00Categories: Uncategorized|Tags: , , , |

Element, compounds mixture – video

2022-09-14T15:12:03+00:00Categories: Uncategorized|Tags: , , , |

Preparation of CuSO₄ – video

Below is the preparation of copper sulfate crystals (CuSO4.5H2O) through the process of filtration and crystallisation 

2022-09-14T16:28:21+00:00Categories: Uncategorized|Tags: , , , |

Simple distillation – video

2022-09-14T16:01:26+00:00Categories: Uncategorized|Tags: , , , |

Fractional distillation – video

2022-09-14T16:07:07+00:00Categories: Uncategorized|Tags: , , , |

Chromatography – video

2022-09-15T07:39:20+00:00Categories: Uncategorized|Tags: , , , |

Atomic structure – video

Electron configuration – video

2022-09-14T15:29:20+00:00Categories: Uncategorized|Tags: , , , |

Chemical formula – video

2022-09-14T15:37:16+00:00Categories: Uncategorized|Tags: , , , |

Balancing chemical formula – video

2022-09-14T15:42:32+00:00Categories: Uncategorized|Tags: , , , |

percentage yield

2022-09-20T11:00:46+00:00Categories: Uncategorized|Tags: , , , |

Water of crystallisation practical – video

2022-09-16T08:21:31+00:00Categories: Uncategorized|Tags: , , , |

Conductivity – video

2022-09-20T08:37:05+00:00Categories: Uncategorized|Tags: , , , |

Electrolysis of solutions practical – video

2022-09-20T10:36:51+00:00Categories: Uncategorized|Tags: , , , |

Composition of air – video

2022-09-14T16:10:48+00:00Categories: Uncategorized|Tags: , , , |

Reactions with oxygen – video

Underneath are sodium, magnesium, iron, carbon, phosphorus, Sulphur burning in oxygen 

2022-09-15T09:36:14+00:00Categories: Uncategorized|Tags: , , , |

Thermal decomposition of copper carbonate – video

2022-09-15T08:44:28+00:00Categories: Uncategorized|Tags: , , , |

Electrolysis of Aqueous Solutions – video

2022-09-20T08:56:48+00:00Categories: Uncategorized|Tags: , , , |

Redox – Video

2022-09-20T08:34:47+00:00Categories: Uncategorized|Tags: , , , |

Metal extraction by displacement – video

2022-09-20T08:21:28+00:00Categories: Uncategorized|Tags: , , , |

Acid, base and Alkali – video

2022-09-15T07:41:25+00:00Categories: Uncategorized|Tags: , , , |

Neutralisation – video

2022-09-15T07:47:10+00:00Categories: Uncategorized|Tags: , , , |

Solubility rules – video

2022-09-16T07:42:16+00:00Categories: Uncategorized|Tags: , , , |

Acid reactions – video

2022-09-15T16:56:00+00:00Categories: Uncategorized|Tags: , , , |

3 reactions of acid – video

Underneath are 3 acid reactions :

   alkali      +      acid      →      water      +      salt

   base      +      acid      →      water      +      salt

   carbonate      +      acid      →      water      +      salt      +      carbodioxide

2022-09-15T07:55:36+00:00Categories: Uncategorized|Tags: , , , |

Acid metal reactions – video

2022-09-15T08:00:24+00:00Categories: Uncategorized|Tags: , , , |

Acid metal reactions 2 – video

2022-09-15T08:04:39+00:00Categories: Uncategorized|Tags: , , , |

Excess solid practical – video

2022-09-16T08:17:02+00:00Categories: Uncategorized|Tags: , , , |

Precipitation practical – video

2022-09-16T08:05:41+00:00Categories: Uncategorized|Tags: , , , |

Flame test for cations – video

2022-09-16T08:47:40+00:00Categories: Uncategorized|Tags: , , , |

Identifying cations using sodium hydroxide – video

Underneath is Sodium Hydroxide added to:

Iron (II) Ions 

Iron (III) Ions

Copper (II) Ions

Ammonia

2022-09-16T09:08:07+00:00Categories: Uncategorized|Tags: , , , |

Test for Anions – video

Underneath are the tests for: 

Carbonate ions

sulfate ions

chloride ions

bromide ions

iodide ions

2022-09-16T09:12:49+00:00Categories: Uncategorized|Tags: , , , |

Exothermic and Endothermic Reactions – video

2022-09-20T10:53:08+00:00Categories: Uncategorized|Tags: , , , |

Practical change in temperature – video

2022-09-15T14:24:03+00:00Categories: Uncategorized|Tags: , , , |

Crude oil and Hydrocarbon – video

2022-09-15T09:29:05+00:00Categories: Uncategorized|Tags: , , , |

Combustion of alkenes – video

2022-09-15T13:50:00+00:00Categories: Uncategorized|Tags: , , , |

Fractional distillation of crude oil – video

2022-09-15T13:33:06+00:00Categories: Uncategorized|Tags: , , , |

Addition polymer – video

2022-09-15T13:52:03+00:00Categories: Uncategorized|Tags: , , , |

polymerisation of ethene – video

2022-09-20T13:15:44+00:00Categories: Uncategorized|Tags: , , , |
Select a set of flashcards to study:

     Terminology

     Skills and equipment

     Remove Flashcards

Section 1: Principles of chemistry

      a) States of matter

      b) Atoms

      c) Atomic structure

     d) Relative formula masses and molar volumes of gases

     e) Chemical formulae and chemical equations

     f) Ionic compounds

     g) Covalent substances

     h) Metallic crystals

     i) Electrolysis

 Section 2: Chemistry of the elements

     a) The Periodic Table

     b) Group 1 elements: lithium, sodium and potassium

     c) Group 7 elements: chlorine, bromine and iodine

     d) Oxygen and oxides

     e) Hydrogen and water

     f) Reactivity series

     g) Tests for ions and gases

Section 3: Organic chemistry

     a) Introduction

     b) Alkanes

     c) Alkenes

     d) Ethanol

Section 4: Physical chemistry

     a) Acids, alkalis and salts

     b) Energetics

     c) Rates of reaction

     d) Equilibria

Section 5: Chemistry in industry

     a) Extraction and uses of metals

     b) Crude oil

     c) Synthetic polymers

     d) The industrial manufacture of chemicals

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