September 2021 0 3 Report
1.Выбери ряд веществ с ковалентной связью. Pb,CaO,O2
NaNO3,CaO,K2CO3
F2,HBr,H2O
Li2O,Mg,CO2
2.Укажи уравнения реакций замещения.
Может быть несколько вариантов ответа.
HCl+Zn=ZnCl2+H2↑
2KOH+FeSO4=Fe(OH)2+K2SO4
Fe2O3+3C=2Fe+3CO
2FeCl2+Cl2=2FeCl3
Please enter comments
Please enter your name.
Please enter the correct email address.
You must agree before submitting.
More Questions From This User See All
pomogite pozhalujsta napishite v ionnom vide 1 so3naoh 2 cus hno3 3 hn
Answer
pomogite kosvennaya rech luchshij otvet garantirovanv sluchae polucheniya mnoyu horoshe
Answer
sesli v moment padeniya na zemlyu vektor ego skorosti napravlen 60 k gorizontu
Answer
zaryazhennaya gilza podveshennaya na leske imeyushej nebolshuyu tolshinu pokoitsya vme
Answer
srochno chastota radiovolny ravna 5 mgc rasschitaj period kolebanij zaryadov v ante
Answer
tolko otvet1 opredeli chislo protonov v yadre elementa atom kotorogo imeet na
Answer
srochno raspolozhi formuly veshestv v poryadke uvelicheniya stepeni okisleniya atomov
Answer
srochnotolko otvet
Answer

Helpful Links

Helpful Social

Copyright © 2024 SCHOLAR.TIPS - All rights reserved.