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Chemistry

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by May 9, 2019 Uncategorized
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chemistry quiz

General Knowledge – Chemistry

Chemistry is a big part of your everyday life. You find chemistry in daily life in the foods you eat, the air you breathe, cleaning chemicals, your emotions and literally every object you can see or touch. Here's a look at 10 examples of everyday chemistry. Some common chemistry may be obvious, but others might surprise you.

General Knowledge – Chemistry

I assume by "heaviest," you mean "densest;" in that case, the densest chemical element is osmium (which is a metal). Osmium has a density of around 22 grams per cubic centimeter, about twice the density of lead! Answer 3: The heaviest naturally occurring element is plutoniummeasured by the mass of the element.

General Knowledge – Chemistry

Definition of sodium carbonate. : a sodium salt of carbonic acid used especially in making soaps and chemicals, in water softening, in cleaning and bleaching, and in photography: such as. a : a hygroscopic crystalline anhydrous strongly alkaline salt Na2CO3.

Chemistry quiz 2019

Polyvinyl chloride (PVC), a synthetic resin made from the polymerization of vinyl chloride. ... Vinyl chloride (CH2=CHCl), also known as chloroethylene, is most often obtained by reacting ethylene with oxygen and hydrogen chloride over a copper catalyst.

CHEMISTRY QUIZ 2019

The definition of ionic bond is when a positively charged ion forms a bond with a negatively chargedions and one atom transfers electrons to another. An example of an ionic bond is the chemical compound Sodium Chloride.

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