Puas qab zib yaj thaum cua sov?
Puas qab zib yaj thaum cua sov?

Video: Puas qab zib yaj thaum cua sov?

Video: Puas qab zib yaj thaum cua sov?
Video: Tu Tu Siab Rau Koj Os Koj Txiv - Qab Zib [ Official MV ] Nkauj Tawm Tshiab 19/6/2023 2024, Kaum ib hlis
Anonim

Qhov no txhais tau tias, es yaj nyob rau hauv ib tug meej kub, qab zib tau ua kua ntawm qhov sib txawv ntawm qhov kub thiab txias nyob ntawm cua sov tus nqi. Yog koj kub qab zib sai, siv siab heev kub , nws yuav yaj ntawm qhov kub siab tshaj qhov nws xav tau yog tias koj kub nws maj mam, siv qis kub.

Tib neeg kuj nug, puas qab zib yaj nrog cua sov?

Cov qab zib Kev tshawb fawb melting pom tias yog vim li cas cov kws tshawb fawb thiab cov kws ua zaub mov tsis tuaj yeem cais tawm qhov tseeb melting point rau qab zib yog tias qab zib tsis yog yaj - nws decomposes. Yog koj kub qab zib sai, siv siab heev kub , nws yuav yaj ntawm qhov kub siab tshaj qhov nws xav tau yog tias koj kub nws maj mam, siv qis kub.

Tsis tas li ntawd, puas qab zib yaj lossis yaj? Cov tub ntxhais kawm xav txog qhov ntawd qab zib melts thaum nws yaj hauv dej. Feem ntau yaj suav hais tias yog cov khoom hloov mus rau hauv dej. Qhov no yog ntxiv dag zog ntxiv vim tias cov menyuam yaus pom cov cua sov koom nrog hauv ob qho kev ua haujlwm - lawv paub yog tias koj xav tau yaj ntau qab zib koj sov dej.

Tom qab ntawd, ua li cas rau qab zib thaum rhuab?

Qab Zib yog tsim los ntawm carbon, hydrogen thiab oxygen atoms. Thaum twg cua sov hla lub tswm ciab, cov ntsiab lus no hnov mob nrog hluav taws kom tig mus ua kua. Cov kub ua rau qab zib atoms los ua ke nrog cov pa oxygen hauv huab cua, tsim cov pab pawg tshiab ntawm atoms. Lub zog yog tso tawm nyob rau hauv cov tshuaj tiv thaiv no nyob rau hauv daim ntawv ntawm cov pa luam yeeb thiab dub soot.

Yog vim li cas qab zib decompose thaum rhuab?

Koj ua dab tsi thaum koj ua kub ib qab zib zoo li sucrose yog koj lub cev qhuav dej. Lub crystalline qauv ntawm sucrose tawg thiab cov molecules decompose rau hauv qabzib thiab fructose thiab tom qab ntawd poob dej thiab tom qab ntawd dhau los ua isomers thiab polymerize los ua caramel, xim liab-txiv kab ntxwv xim ntawm chav tsev kub.

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