Category: Chemistry

Want to make colorful fires when burning those dry pinecones during your camp fires? Colored pinecone fires are easy to make, as long as you have one important household chemical in your possession.     What You Will Need  Dry Pinecones Boric Acid (often sold as a household disinfectant) Isopropyl Alcohol or Ethanol (optional)  …

Nowadays, different kinds of silver (other than Sterling Silver) such as Italian or Tibetan Silver, dominates local markets. Most people think that the name comes from the Country of origin itself.   Tibetan (or Nepalese) Silver actually isn’t ‘silver’ most of the time. It does not even contain the element silver at all. In the…

Do you wonder why are metal objects being prohibited inside the X-Ray Room? Most people think that somehow, metal objects will become ‘radioactive’ when penetrated by X-Rays. As a matter of fact, this ‘radioactive metal’ issue is not true.     X-Rays, as we know, are being used mainly by doctors in order to check…

If you’re not yet aware about dry ice, then it’s time for you to know that it is a solidified form of carbon dioxide.  It is used for a number of things and is sometimes included as a science project.   You can actually make your own dry ice using a CO2 fire extinguisher or pressurized…

You may find yourself in some instances when deionized (or DI) water is the only available source to quench or thirst.  While there are debates whether it is a safe drink or not, we simply must say that drinking it in small amount is usually okay.  However, if you’re planning of taking it as a…

If you’re serious in getting yourself into a medical school—a US medical school in particular, you have to consider some points aside from the finances.  You are obligated to perform a coursework, take MCAT, accomplish AMCAS application, complete secondary applications in medical schools and face interviews at the medical schools you have in your list.…

Brownouts still exist even in the most developed countries.  In such emergency cases, you can immediately get the flaming gel that’s relatively safer than regular fuel.  Fuel can spill out and spread fire and can release harmful gases if burnt inside a room with no ventilation.  This makes the flaming gel more preferable and a…

The answer depends on how much volume a droplet of water is.  As it is, water drops can vary in sizes so we must define first the volume before we can perform the calculation.   The average volume of a single water drop is 0.05mL wherein there are 20 drops per milliliter.  Deriving from the…

Water has been considered as one of the primary elements and it has been considered true since the ancient times.  Even until today, fiction dictates that water holds a spot as an element along with earth, fire and air. However, science firmly denies such claim.   Why science does refute ancient claims that water is…

You might find yourself in a Chemistry assignment with your teacher requiring you to compute or get to know the number of electrons, protons and neutrons of an atom from the different kinds of elements. In order to do this, you must first acquire a Periodic Table or the Table of Elements.  Fortunately, this one-page…