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Tollens Reagent "silver mirror test". When added to the aldehyde, a silver mirror appears. When added to the ketone, nothing happens.This is because the Tollens Reagent oxidises the aldehyde, wh...

Climate change is a long-term shift in the earth's climate. This can be due to various natural causes but has recently been affected by humans. An example of this is the enhanced greenhouse gas effect. Si...

Economic growth is an increase in the production of good and services in an economy over time. 

[Differentiate y = ln(x)] This is an example of many situations in maths where you need to solve something that is similar to what you can solve, but not in its current form. A good idea, then, i...

Word painting is a technique used to literally depict or 'paint' the image of the lyrics in the music. For example loud dynamics could paint lyrics displaying anger or acending scales could represent 'goi...