The reactivity series shows metals in order of reactivity. The reactivity of a metal is related to its tendency to form positive ions. Iron and aluminium are extracted from their ores in various ways.

This story appears in the April 2011 issue of National Geographic magazine. Castello Aragonese is a tiny island that rises straight out of the Tyrrhenian Sea like a tower. Seventeen miles west of ...

The genetic information stored in DNA is a living archive of instructions that cells use to accomplish the functions of life. Inside each cell, catalysts seek out the appropriate information from this ...

The UK government signaled it won’t let the US use British military bases for strikes on Iranian energy or civilian infrastructure after President Donald Trump threatened an escalation of operations ...

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Secretary of State Marco Rubio questioned the value of NATO Tuesday night after European allies blocked the US military from using their bases and airspace to launch attacks on Iran. Rubio, who ...

Citric acid naturally occurs in citrus fruits like lemons, limes, and oranges. Manufactured citric acid is produced from a type of mold called Aspergillus niger and is commonly used as a food additive ...

An acid and alkali will neutralise each other and produce a salt and water. This is called a neutralisation reaction. The name of the salt produced can be worked out from the names of the acid and the ...

Shuttering the critical U.S. logistics and medical hub marks an acceleration of the Biden administration’s withdrawal from Afghanistan – and trouble for the locals who remain. The Latest The ...

United States President Donald Trump’s already fraught relationship with NATO allies is fraying further as the US-Israel war on Iran is in its second month. A growing number of partners are resisting ...

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