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GSS Garki   SS2 A & B 2019/2020 - SS3 2020/2021 BIOLOGY CLASS N.B :  These notes start from the SS2 online classes of COVID-19 and will  continue to all e-notes of SS 3. Also,  just click to view or download any ;  they are numbered and labeled according to order and/or content . NOTES FOR SS2 ONLINE CLASSES 1. Teacher; Miss Adams Osa's- Endocrine System 2. Skin; Main note 3. The Nervous System 1 4. The Peripheral Nervous System  Warning: Due to the nature of the biology class, the teacher may expect more notes, etc. from her class, which may not be included in the ones given. We are not liable for any blame.  This page will be updated as the teacher sends new notes, documents, or other media. Thanks! Do share & subscribe, in order to get notified when we post an update!!

GSS Garki SS2 A & B 2019/2020 - SS3 2020/2021 CHEMISTRY CLASS N.B :  These notes start from SS2 second term to the SS2 online classes of COVID-19 and will  continue to all e-notes of SS 3. Also,  just click to view or download any ;  they are numbered and labeled according to order and/or content .                          Notes for SS2 Second Term 1. Structure of Water 2.  Solubility 3. Hardness of Water 4.  Air 5.  Flame 6. Hydrogen 7.  Oxygen 8.  Halogens 9. Nitrogen CONTINUATION: Notes for SS2 Online Classes 1. SS2 Scheme of Work for Chemistry 3rd Term 2. Sulphur and its Compounds 3. Oxidation-Reduction Reaction 4. Ionic Theory  This page will be updated as the teacher sends new notes, documents, or other media. Thanks! Do share & subscribe, in order to get notified when we post an update!!       

  Electrolysis of water Electrolysis of water is the decomposition of water into oxygen and hydrogen gas due to the passage of an   electric current. This technique can be used to make hydrogen gas, the main component of hydrogen fuel, and breathable oxygen gas, or can mix the two into oxyhydrogen, which is also usable as fuel, though more volatile and dangerous. It is also called water splitting. It ideally requires a potential difference of 1.23 volts to split water At home experiment: What You Need: 6-volt  or  9-volt  battery Two  alligator clip leads  or insulated wire Beaker  or glass Piece of thin cardboard or card stock Two #2 pencils Table Salt (NaCl) or Sodium hydroxide(NaOH; it can be dangerous) N.B: A salt is used to increase ions in water and improve its conductivity. Acid can be lethal What You Do: Note; do not use chlorinated water(including from waterboard) or copper electrodes for electrolysis of water, as dangerous chlorine gas is released. Fill the beaker or glass wi

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