1. Vim li cas Argon ib qho inert keeb? Qhov thiaj li hu ua "inert inert gas" txhais tau tias cov roj av no ruaj khov, muaj cov khoom siv tsis yooj yim, thiab tsis yooj yim rau cov roj av nrog roj. Qhov tseeb, "inertia" ntawm ...

2023-07-20

Kawm Dua

1. Muaj peev xwm cog lus xwb tsim tawm? Yog lawm, tseem muaj plaub qhov kev npaj muaj plaub txoj kev npaj ua: txoj kev hws kom tau siv rau hauv kev lag luam los rho tawm ntawm cov pa taws. Cov txheej txheem O ...

2023-07-12

Kawm Dua

1. Qhov uas ua tau li cas? (1) Cov Qauv Hlau nplaum: Kev tshwm sim cov hmoov nplej ntawm silicon thiab magnesium nyob rau ntawm 500 ° C, thiab hnov ​​cov generated magnesium cov tshuaj uas zoo nkauj nrog ammonium chloride hauv ...

2023-07-12

Kawm Dua

1. Qhov sib txawv ntawm hydrogen peroxide thiab isopropyl cawv tsis zoo li qub. Hydrogen peroxide yog cov oxidant, thiab nws cov kab mob kev tua kab mob yog los tua cov kab mob me los ntawm oxidizing cell wi ...

2023-07-06

Kawm Dua

1.What yog Argon-hydrogen sib tov? Argon-hydrogen tov roj yog ib feem uas siv cov roj thaiv, uas yog dav siv nyob rau hauv vuam, txiav, thermal txau thiab lwm yam kev muaj teb. Qhov kev faib ua feem ntawm ...

2023-07-06

Kawm Dua

1. Vim li cas thiaj ua siab tawv? Tej zaum yuav muaj kev puas tsuaj los ntawm kev nqus tau, kev noj lossis nqus los ntawm daim tawv nqaij. Tshwj xeeb yog cov nplaim taws, ua kom deb ntawm tshav kub, txim taws thiab qhib cov nplaim taws. Nws lub volatilized pos yog iritati ...

2023-06-27

Kawm Dua

1. Yuav ua li cas yog kua hydrogen tsim? Hydrogen ntau lawm los ntawm cov pa roj teeb siv anthracite lossis Coke yog cov khoom siv raw rau qhov kub kom tau txais dej roj (C + H2O → co + h2-hea ...

2023-06-27

Kawm Dua

一. Puas yog kua argon txaus ntshai? Ua ntej tshaj plaws, kua argon yog ib qho tsis muaj kob, tsis muaj ntxhiab, tsis muaj ntxhiab, tsis muaj kev phom sij hauv tib neeg lub cev thiab ib puag ncig. Txawm li cas los xij, ntawm qhov siab concen ...

2023-06-20

Kawm Dua

一 .What yog kua roj carbon dioxide? Ua kua roj carbon dioxide yog hais txog liquefaction ntawm cov pa roj carbon dioxide rau hauv cov kua ua nyob rau hauv cov kev kub siab thiab kub. Kua roj carbon dioxide yog ib tug refige ...

2023-06-20

Kawm Dua