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Siv xab npum ntxhua khaub ncaws yog zoo rau kev xeb thiab ntxuav xab npum yog qhov zoo rau cov tawv nqaij ... Koj puas siv nws txoj cai?
Siv xab npum ntxhua khaub ncaws yog zoo rau kev xeb thiab ntxuav xab npum yog qhov zoo rau cov tawv nqaij ... Koj puas siv nws txoj cai? Cov tshuaj muaj yees yog dab tsi? Peb xaiv cov khoom ntxuav hauv peb lub neej txhua hnub li cas? Cov tshuaj yeeb dej caw yog qhov tseem ceeb tshaj plaws ntawm xab npum. Nws yog ib hom molecule uas txuas tau ...Nyeem ntxiv -
Qhov twg yog qhov kev xaiv zoo tshaj plaws rau xab npum lossis tshuaj ntxuav tes?
Qhov twg yog qhov kev xaiv zoo tshaj plaws rau xab npum lossis tshuaj ntxuav tes? Kev ntxuav tes yog qhov tseem ceeb hauv peb lub neej. Nquag ntxuav thiab ntxuav tes tau zoo tuaj yeem txo tus kab mob ntawm txhais tes thiab txo txoj hmoo ntawm kis kab mob. Yog li nws yog qhov zoo dua los ntxuav tes nrog tshuaj ntxuav tes lossis tshuaj ntxuav tes ...Nyeem ntxiv -
Yuav xaiv cov khaub ncaws ntxhua khaub ncaws kom ntau dua, cov tshuaj ntxhua khaub ncaws thiab cov tshuaj ntxhua khaub ncaws zoo li cas?
muaj peb yam khoom ntxhua khaub ncaws: khaub ncaws ntxhua khaub ncaws, tshuaj ntxhua khaub ncaws thiab tshuaj ntxhua khaub ncaws. Peb tuaj yeem tshawb xyuas qhov zoo thiab qhov tsis zoo ntawm peb qho no. (1) Cov ntxhua khaub ncaws muaj cov xab npum muaj zog, yooj yim yaug, tab sis nws nyuaj kom yaj, yog li nws yuav tsum ntub khaub ncaws ua ntej thov; nws yog alkaline thiab ...Nyeem ntxiv