Dab tsi yog alkali hlau siv rau?
Dab tsi yog alkali hlau siv rau?

Video: Dab tsi yog alkali hlau siv rau?

Video: Dab tsi yog alkali hlau siv rau?
Video: Isaiah 31~35 | 1611 KJV | Day 210 2024, Kaum ib hlis
Anonim

Sodium yog tam sim no qhov tseem ceeb tshaj plaws alkali hlau nyob rau hauv cov nqe lus ntawm industrial siv. Cov hlau yog ua hauj lwm nyob rau hauv txo cov organic tebchaw thiab nyob rau hauv kev npaj ntawm ntau coj mus muag tebchaw. Raws li ib tug dawb hlau , yog siv raws li cov kua hluav taws xob hloov pauv hauv qee lub tshuab hluav taws xob nuclear.

Ua raws li qhov no hauv kev xav, dab tsi yog kev siv cov hlau alkali?

  • Hydrogen yog siv nyob rau hauv: hydrogen roj, huab cua balloons thiab nws tsim dej.
  • Lithium yog siv nyob rau hauv: Roj teeb, nyob rau hauv daim ntawv ntawm lithium carbonate nws yog siv los tswj tej yam kev puas hlwb thiab iav.

Ib yam li ntawd, cov hlau alkali khaws cia hauv dab tsi? Txhawm rau txo qis kev sib cuag nrog oxygen thiab dej, alkali hlau yuav tsum yog khaws cia nyob rau hauv ib lub thawv airtight nyob rau hauv cov roj ntxhia thiab / los yog nyob rau hauv ib tug inert gas, xws li argon. Cov hnab looj tes nrog cov cua inert yog qhov chaw tsim nyog rau kev khaws cia alkali hlau.

Xav txog qhov no, cov hlau alkali nyob qhov twg?

Alkali hlau yog cov tshuaj cov ntsiab lus pom nyob rau hauv pab pawg 1 ntawm lub sijhawm teem sijhawm. Cov alkali hlau muaj xws li: lithium, sodium, potassium, rubidium, cesium, thiab francium.

Puas alkalis teb nrog cov hlau?

Kev tshwm sim ntawm Base nrog Hlau : Thaum twg alkali (base) reacts nrog hlau , nws tsim ntsev thiab hydrogen gas. Piv txwv li: Sodium hydroxide muab hydrogen gas thiab sodium zincate thaum reacts nrog zinc hlau.

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