Cov txheej txheem:
- Yuav ua li cas tsis yog tshuaj tua hluav taws?
- Yuav ua li cas yog cov khoom uas combustible?
- Qhov txawv ntawm roj thiab cov khoom siv hluav taws xob yog dab tsi?
- Puas yog ntoo combustible los yog noncombustible?
Video: Puas yog chaff yog cov khoom uas combustible?
2024 Tus sau: Fiona Howard | [email protected]. Kawg hloov kho: 2024-01-10 06:38
Kev piav qhia: Asbestos yog ib yam khoom tsis-combustible substancethiab tsis tuaj yeem ntes hluav taws ntawm nws tus kheej.
Yuav ua li cas tsis yog tshuaj tua hluav taws?
Yog li, iav yog yam khoom uas tsis yog combustible.. Straw, camphor, cawv, roj av, diesel thiab lwm yam hluav taws tau yooj yim tso tawm hluav taws xob thiab lub teeb lub zog. Yog li, cov no yog cov piv txwv ntawm cov khoom siv hluav taws xob.
Yuav ua li cas yog cov khoom uas combustible?
Cov tshuaj uas tuaj yeem hlawv yog hu ua cov khoom sib txuas. Piv txwv li: Ntaub, straw, roj ua noj, roj kerosene, thee, charcoal, ntoo, nplooj, ntawv, ciab, hydrogen gas, ethanol, methane, propane, propene. Cov khoom siv hluav taws xob yog cov khoom siv hluav taws xob uas tuaj yeem ua rau kub hnyiab tau yooj yim ntawm qhov kub thiab txias.
Qhov txawv ntawm roj thiab cov khoom siv hluav taws xob yog dab tsi?
peb paub tias muaj qhov sib txawv ntawm cov roj thiab cov khoom siv hluav taws xob. Qhov ntawd yog ib yam khoom uas combustible yog ib yam khoom uas react nrog oxygen mus hlawv tab sis ib tug roj yog xws li ib yam khoom uas react nrog oxygen tsis tu ncua los tsim ib tug txaus cov cua sov.
Puas yog ntoo combustible los yog noncombustible?
Ntoo yog tej zaum cov khoom siv hluav taws xob ntau tshaj plaws siv nyob rau hauv noncombustible tsevthiab muaj ntau daim ntawv thov nyob rau hauv lub tsev cais raws li noncombustible tsim raws li NBC.
Pom zoo:
Puas yog cov khoom muaj nqis uas tsis yog cov cuab tam tam sim no?
Ib qho khoom muaj nqis uas tsis yog tam sim no tuaj yeem yog txhua yam lossis tsis muaj nqis. Cov cuab yeej cuab tam uas tsis yog tam sim no yog ib yam khoom muaj nqis xws li av, khoom siv, tshuab, rooj tog, lossis vaj tsev, uas yog siv los tsim cov khoom zoo lossis kev pabcuam .
Cov tsev neeg puas yog cov neeg yuav khoom lossis cov muag khoom?
Nyob hauv khw muag khoom thiab kev pabcuam, tsev neeg yog feem ntau cov neeg yuav khoom . Puas yog tsev neeg yuav lossis muag? Tsev neeg yog cov neeg yuav khoom hauv khw rau cov khoom thiab kev pabcuam. Cov tsev neeg sib pauv nyiaj tau los rau cov khoom thiab kev pabcuam.
Puas yog cov kab mob uas ua cov photosynthesis yog cov neeg siv khoom?
Nroj tsuag, algae, thiab ib pawg kab mob hu ua cyanobacteria yog tib yam kab mob uas muaj peev xwm ua tau photosynthesis (Daim duab 1). Vim tias lawv siv lub teeb los tsim lawv tus kheej cov zaub mov, lawv hu ua photoautotrophs (lus, "
Cov khoom noj khoom haus puas yuav txais cov khoom noj tas sij hawm?
khoom noj "Tsev" tuaj yeem pub dawb. Peb yuav tsum hais nws vim tsis yog txhua tus paub nws. Cov khoom noj khoom haus uas dhau los ntawm lawv cov hnub "zoo tshaj ua ntej" tau txais thiab txaus siab ntawm cov chaw pub khoom noj thiab cov tsev txhab nyiaj khoom noj thoob plaws tebchaws .
Puas cov khoom noj khoom haus puas muab cov khoom puas tsuaj?
Qhov Tseeb: Pantries muab khoom noj khoom haus tsis zoo thiab tsis lwj suav nrog: cov khoom noj siv mis, txiv hmab txiv ntoo thiab zaub tshiab, khoom ci, cov kaus poom, cov khoom qhuav, cov nqaij khov thiab lwm yam . Lub tsev txhab nyiaj puas noj cov khoom puas tsuaj?
