Isayensi ezithakazelisayo: kanjani ukuchitha ekhaya nakho kwamakhemikhali ukuvusa isithakazelo ingane?

Lapho efunda esikoleni esiphakeme, uqale emkhakheni wesayensi yokuthakwa kwamakhemikhali ukufikela ku-grade 8, kunzima kakhulu ukuthatha leli izingane isayensi. Kodwa ukulungiselela lo mfundi ukuba abe isihloko kungaba indlela ngempela kumnandi futhi elula - ukuhlela isipiliyoni kwamakhemikhali ekhaya. Lezi mini-ucwaningo kuzosiza ukubheka isayensi ngakolunye uhlangothi, umbukiso we "namaqhinga Chemical" ngesikhathi party yezingane kakhulu ukwandisa degree of fun.

bill engangenwa umlilo

Ukuze afeze Iqhinga emangalisayo mihle, kodwa izinhlayiya elula, uzodinga:

• bill;
• isixazululo aqueous oludakayo nge lotshwala ezingaba ngu-50%;
• usawoti;
• esebenzisa noma udlawana.

A ingcosana usawoti kufanele ukungezwa isixazululo. Okulandelayo ku ikhambi usebenzisa udlawana ibekwe bill. Labo are okokuqala kunesithembiso enjalo ngomuzwa amakhemikhali nokusebenzelana kwawo, kungcono ukuthatha ezincane bill isithunzi!

Uma imali vymoknut ezinhle, kufanele futhi sithathe udlawana futhi ngobumnene nivuthulule ketshezi ngokweqile ngephepha. Manje kungenzeka umlilo! Fire kuyokwenzeka kuwo wonke lesi sikweletu, kodwa akekho onqenqemeni ngisho Browns. Lokhu kungenxa yokuthi i-utshwala evutha eziqukethwe isixazululo. Ngakwelinye ihlangothi, amanzi ofakwe iphepha akanayo isikhathi shabalala.

crystal amabhola

Crystal ukukhula - omunye ukwenza izinto zokuchitha isizungu ethandwa kakhulu, alinikela i-chemistry kuyajabulisa. Ufundza kusebentisa crystallization ngokuvamile ukuchitha ngoshukela, kodwa zinhlayiya ushukela alulusha. Sinikeza emehlweni entsha futhi engavamile - zinhlayiya wanda ngezinga amaqanda!

Crystal amabhola ingatholakala:

• alum (edayiswa Pharmacy);
• PVA glue;
• nodayi.

Zinhlayiya phezu amaqanda zikhule ngokushesha kakhulu, nje ngosuku. Kuyadingeka ukuba pre-ugeza amagobolondo kahle bese boma it. Ngemva kwalokho amaqanda ezigcotshwe glue alum fafaza. Manje badinga ukuba alale amahora ambalwa ukuze ome out futhi.

Ngaphezu kwalokho, udayi kufanele ziyoncibilika ezimbili izinkomishi zamanzi plain. Inani udayi kungenziwa kukhethwe ngokuzimela, kulesi simo, kuphela ukushuba umbala kuncike zinhlayiya kuwo. Amaqanda ezibekwe kule udayi emini noma ebusuku. The eside iqanda itholakala isixazululo, le zinhlayiyana ziyakhula emikhulu. Thola amaqanda crystal ngomumo kufanele ngokucophelela - abasakwazi ethambile.

Ukuvuleka on ibhodlela

Njengoba kungenziwa Ayihaba ibhaluni ngaphandle helium ngaphandle kokwenza umzamo? Ukuze wenze lokhu, ungasebenzisa ezejwayelekile baking soda futhi uviniga ezimi ekhabetheni ekhishini zonke umama. Ukuze afeze lesi silingo kwamakhemikhali, uzodinga:

• ibhaluni;
• ibhodlela;
• 3-4 amathisipuni of soda;
• uviniga.

Soda ethelwa ngokuqondile ibe ibhola ngosizo uphondo noma spoon. Ngemva ngalo lufakwa ibhodlela kokuncinyane uviniga. Uma soda ibhola iqala baphaphame egabheni, uqala ukuba sikhukhumale, njengokungathi helium. Lokhu kungenxa yokuthi uviniga is wasithukuthelela soda, ukukhulula-carbon dioxide. Ibhola is Ayihaba ngenxa igesi emasekhondini ambalwa kuphela futhi ukubamba!

izingqimba Multi-anemibala egabheni

Ukuhlolwa elilandelayo kwamakhemikhali ingane ngeke ukuchaza ngokucacile umqondo density ketshezi. Ngenxa yalesi isidingo:

• inkomishi eyodwa kwezine zawo amafutha sunflower;
• inkomishi ikota yamanzi, anombala kunoma iyiphi umbala;
• inkomishi ikota ushukela isiraphu (I-focus ngempumelelo, futhi kuyadingeka ukuze ungeze udayi).

Ingane ingaba lokucabanga kusengaphambili kuzokwenzekani uma ukuxuba zonke lezi uketshezi. Yena like umphumela - isiraphu luhlala phansi njengoba obukhulu kakhulu, amanzi phakathi, namafutha izohlala phezulu. Ungabona imibala nasoketshezini, okwenza Ukwakheka zicatshangwe. Ngokwesibonelo, ngokungeza ezingafani ushukela kule isiraphu, uzokwazi ukuthola uketshezi of nokuminyanisa ezahlukene.

Laboratory ucwaningo kwamakhemikhali kungaba ngempela-non-isidina. Lezi namasu emangalisayo futhi kanti ilula ukuze asize ukuyenga ingane ekutadisheni isayensi nje ukuzijabulisa ngosuku yezimvula.