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Why are transition metal ions in water coloured, but sodium in water is not?

The colour of light is determined by its wavelength. White light is made up of electromagnetic radiation (photons) that spans the range 400nm - 700nm, the visible part of the E.M. spectrum. When white light ...
JH
Answered by Jack H. • Chemistry tutor
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When do we write a hyphen in adverbs?

We write a hyphen in adverbs when they start with по- and finish with -и. For example when we want to say "In Russian" (по-русски) we should use a hyphen. There is an other case when se must use a ...
AP
1536 Views

What is "Passato remoto" and when is it used?

Passato remoto is a past tense. It is used when we want to talk about something that happened a long time ago and do not have any connection with the present. This tense can be usually seen in written langua...
AP
4667 Views

How can high absorption of salt fro the diet leading to high salt concentration in local capillaries lead to build-up of tissue fluid?

High salt lowers the water potential of the tissue fluidLess water enters the capillaries at the venue end through osmosis Remember - Osmosis is the transport of water from an area of higher concentration to...
CH
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Analyse the benefits of adopting a flow production system

Flow production refers to when a business uses machinery to produce mass quantities of identical products in a continuous process where they pass from one stage on production to the next. One benefit is that...
MN
9687 Views