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en.wikipedia.org/wiki/Alkali

In chemistry, an alkali is a basic, ionic salt of an alkali metal or alkaline earth metal chemical ... After heating this substance with calcium hydroxide (slaked lime), a far more strongly basic substance known as caustic potash (potassium ...

www.quora.com/What-is-the-difference-between-basic-and-alkaline

Bases are substances that react with acids and neutralise them. They are usually metal oxides, metal hydroxides, metal carbonates or metal hydrogen carbon...

sciencing.com/alkaline-vs-basic-6132782.html

Apr 24, 2017 ... All alkaline solutions are basic, yet not all bases are alkaline. A common mistake is referring to the alkalinity of a substance, such as soil, when ...

sciencing.com/alkaline-substance-5073350.html

Apr 24, 2017 ... The word alkaline has an unique etymology, for it is derived from the Arabic ... is often defined as being the opposite of acidic, also called basic.

www.sciencebuddies.org/science-fair-projects/references/acids-bases-the-ph-scale

What does it mean for a solution to be acidic or basic (alkaline)? ... The solution is neither acidic or basic. An acid is a substance that donates hydrogen ions.

www.astinternational.com/alkalineacidicfoods.html

Another major part of being alkaline is simply the foods you eat. .... be categorized as either a basic substance (also known as alkaline) or an acid substance.

blogs.scientificamerican.com/lab-rat/what-makes-things-acid-the-ph-scale

Dec 3, 2012 ... We also learnt about the pH scale which measures the acidity or alkalinity of a substance. The pH scale goes from 1-14, with pH7 being ...

www.bbc.co.uk/schools/gcsebitesize/science/add_gateway_pre_2011/chemical/acidsrev1.shtml

The pH scale measures how acidic or alkaline a substance is. Substances with a pH of 7 are neutral, substances with a pH greater than 7 are alkaline (or 'basic') ...

www.rsc.org/learn-chemistry/resource/res00001708/acid-or-alkali-acidic-or-alkaline?cmpid=CMP00005222

This simple experiment involves testing a variety of substances to see if they are acidic or alkaline, using litmus paper as the indicator.