Cleaning Agents and Cosmetics Production
This lesson covers the definition and types of cleaning agents, including commercial and homemade varieties. It also discusses the preparation of homemade cleaning agents and cosmetics, along with safety and regulatory aspects related to cosmetic products.
- 05:04 “Chocolate powder can be used just like starch powder for removing stains, such as egg on a table and other surfaces, and this is what we call chocolate powder. You can see it here. Huzu, most times, it's well, the edible...”
- 05:52 “Another one is the egg powder. This is a yellow color substance that is commonly in local Nigeria markets. It is fine texture and suitable for cleaning on a made such as gold and brass. It gives a golden appearance on go...”
- 04:16 “You can get them, in fact, some are waste products that we see around us, you can use them for your cleaning, and in terms of them, we have the charcoal powder or paste. We have charcoal or ash. We have edible powder. We...”
Magnetic Fields
This lesson covers the concept of magnetic fields, including types of magnets such as bar magnets. It explains the flow of magnetic forces from the North pole to the South pole and the principles of attraction and repulsion between magnets. The lesson also touches on how to create a magnet and the c
- 21:30 “And a powder is being poured on the bar magnet. The power of it will be formed at this place. This place, this is where the power will form. This means the power will shift to the north seeking pole and also what the sou...”
Oxides of Carbon
This lesson covers the two types of carbon oxides: carbon monoxide and carbon dioxide. It explains their formation, characteristics, and methods of preparation in the laboratory. The lesson also defines the term allotrope and discusses the economic importance of these oxides.
- 18:36 “or it is actually in the powder form. So, if it is in the lump form, the surface area is small. So, the rate of reaction will be very slow, okay? But then it will have fewer amount of product. That is the cover for outsi...”
- 33:48 “so for example this is actually used by a manufacturer of glass, so you know, add detergents, okay, so then for this one is deployed in baking powder, or to discharge our carbon-folks, right, so as that helps to reduce t...”
- 17:03 “So, basically, like here, the metallic carbonate, we use here is calcium carbonate. So, it's calcium carbonate here is actually be heated with XCl, that they use here. You can also use H2SO4. Okay, the same result would...”