A galvanic cell is an electrochemical cell that can produce electricity using a chemical reaction. The electrolytic cell uses an electric current for the propagation of a chemical reaction. This cell converts chemical energy into electrical energy. What is the … Continue reading →

A secondary cell or battery is one that can be electrically recharged after use to their original pre-discharge condition, by passing current through the circuit in the opposite direction to the current during discharge. What is secondary cell example? 4.6 … Continue reading →

Ingestion of C-4 commonly results in seizures, nausea, and vomiting. Seizures associated with C-4 toxicity respond to standard doses of benzodiazepines. Do soldiers carry C4? Combat troops have ready access to the explosive, which can also be used as fuel … Continue reading →

DON’T DO IT! Even a fully-drained rechargeable battery should take six hours or less (usually, MUCH less) to reach a full charge, so leaving your thingie plugged in all night pretty much guarantees you’re overcharging* the battery. Can I leave … Continue reading →

Ionic compounds typically have much higher melting points than molecular compounds. To melt an ionic substance, you have to disrupt these bonds. This requires a lot of energy. Molecules are held together by covalent bonds, which are strong. Why do … Continue reading →

Along with high-voltage battery packs that give power to electric vehicles’ motors, every EV also has a 12-volt battery to keep the electrical system and accessories such as lights and power door locks operational when the car is powered down … Continue reading →

An automobile battery is an example of a wet cell battery, with six cells. Each cell of a lead storage battery consists of alternate plates made of a lead alloy grid filled with sponge lead (cathode plates) or coated with … Continue reading →

Lead’s toxicity was recognized and recorded as early as 2000 BC and the widespread use of lead has been a cause of endemic chronic plumbism in several societies throughout history. The Greek philosopher Nikander of Colophon in 250 BC reported … Continue reading →

Some studies have found lead can be absorbed through skin. If you handle lead and then touch your eyes, nose, or mouth, you could be exposed. Lead dust can also get on your clothes and your hair. If this happens, … Continue reading →

But is eating a newspaper, like, a good idea? For starters, there’s almost no nutritional benefit, according to Massachusetts General Hospital gastroenterologist Dr. Kyle Staller — but it’s not particularly dangerous, either. Paper is mostly composed of cellulose, a harmless … Continue reading →

The word pencil comes from the latin, penicillum , the name for a small, fine-tipped brush used for writing, which in turn is a diminutive form of the latin word for brush, peniculus, which in turn is a diminutive form … Continue reading →

Yes, you can use a higher octane fuel than that recommended for your car. It will not hurt your car in any way, but it will cost you more – for no benefit. You should not use any fuel with … Continue reading →

lithium batteries. All lithium batteries are Class 9 — miscellaneous dangerous substances and articles. All batteries must be tested and meet the criteria as stated in the UN Recommendations on the Transport of Dangerous Goods, Manual of Tests and Criteria … Continue reading →

Harmonized Commodity Description and Coding System. HS code is short for Harmonized Commodity Description and Coding System. It’s a list of numbers used by customs to classify a product. What is meant by HS code? The Harmonized System is a … Continue reading →

Lead is an example of a material which is relatively malleable but not ductile. What is the ductile of lead? Lead is very malleable, ductile, and dense and is a poor conductor of electricity. Known in antiquity and believed by … Continue reading →