7
Ushbu test topshiriqlari kitobi Sizga qoralama sifatida berilgan,
javoblaringizni JAVOBLAR VARAQASIGA yozing.
14-topshiriq. Masalani ishlang. Javobingizni javoblar varaqasiga yozing.
16 % li (
𝜌𝜌=1,4) noma’lum modda eritmasining normal konsentratsiyasi 4 N
ga teng bo‘lsa, eritmada erigan noma’lum moddani aniqlang (kimyoviy formulasini
yozing). Noma’lum modda lakmus indikatorini ko‘k rangga bo‘yaydi.
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