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Smelting and Gold Refining PART 2: Electroplating Copper to Recover Gold and Silver

69,800 views

mbmmllc

Video Language:

  • English

Caption Language:

  • {{captionLanguage | language_name}} ({{captionLanguage}})

Accent:

  • English (US)

Speech Time:

84%
  • 8:39 / 10:13

Speech Rate:

  • 167 wpm - Fast

Category:

  • Science & Technology

Tags :

Intro:

Video Vocabulary

collect

/kəˈlekt/

adjective adverb verb

(of phone call) paid for by person receiving it. in way that is paid for by person receiving call. To take things and bring them together.

stainless

/ˈstānləs/

adjective

Being perfect and without damage or soil.

between

/bəˈtwēn/

adverb preposition

in space separating things. In the space that separates two objects.

electroplating

/əˈlektrəˌplāt/

noun verb

Act of coating with metal by electrolysis. coat metal object by electrolytic deposition with chromium.

continuation

/kənˌtinyo͞oˈāSH(ə)n/

noun

Act of going on without stopping or pausing.

increase
noun verb

Fact of increasing; amount something grows by. become or make greater in size or degree.

sulfate

/ˈsəlfāt/

noun other

salt or ester of sulphuric acid. Convert into a sulfate.

pyramids

/ˈpirəˌmid/

noun other verb

ancient Egyptian stone structure. Four-sided structures with sides meeting at the top. arrange in shape of pyramid.

sulfuric

/səlˈfyo͞orik/

adjective

containing sulphur or sulphuric acid.

negative

/ˈneɡədiv/

adjective exclamation noun verb

In mathematics, being less than zero. no. Image on camera film used to make a photo. refuse to accept.

looking

/ˈlo͝okiNG/

adjective verb

having specified appearance. To appear to be when you look at them; seem.

connected

/kəˈnektəd/

adjective verb

brought together so that link is established. To associate a thing with something else.

surface

/ˈsərfəs/

adjective noun verb

Of the top layer; not deep or meaningful. Top layer of the ground or of water. To appear after being hidden, unseen, or unknown.

smelted

/smelt/

verb

extract metal from its ore by process involving heating and melting.

previous

/ˈprēvēəs/

adjective

Existing or happening before the present time.

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