Javohir Marqayning viktorinasi

Question 1

Atomning massasi bor bo'lgan kimyoviy atamasi qanday ataladi?

Accepted Answer

0

Question 2

Kimyoviy birikmadagi elementlarning massasi foizlarining yig'indisi har doim 100% ga teng bo'ladi.

Accepted Answer

o

Question 3

D.I. Mendeleyevning davriy qonunni yaratgan yili qaysi?

Accepted Answer

1869

Question 4

CaSO3 birikmasidagi kislorodning massasi foizi taxminan nechaga teng?

Accepted Answer

1

Question 5

J. Prousst qonuni moddaning massasini saqlash qonuni bilan bog'liq.

Accepted Answer

o

Question 6

Ikki yoki undan ortiq atomdan tashkil topgan molekulalar qanday ataladi?

Accepted Answer

2

Question 7

Natriy bikarbonat (NaHCO3) tarkibida natriyning massasi foizi taxminan nechaga teng? (Na=23, H=1, C=12, O=16)

Accepted Answer

0

Question 8

Kimyoviy muvozanat holatida reaksiya to'xtaydi.

Accepted Answer

o

Question 9

Erish nuqtasi yuqori bo'lgan moddalar odatda qanday bog'lanishga ega bo'ladi?

Accepted Answer

Ion

Question 10

Quyidagi moddalardan qaysi biri kuchli elektrolit hisoblanadi?

Accepted Answer

1

Accepted Answer

2

Question 11

Oksidlanish-qaytarilish reaksiyalarida oksidlovchi modda elektron qabul qiladi.

Accepted Answer

o

Question 12

Alyuminiyning oksidlanish darajasi ko'p hollarda nechaga teng bo'ladi?

Accepted Answer

+3

Question 13

Quyidagi elementlardan qaysi biri metallar qatoriga kiradi?

Accepted Answer

2

Question 14

Kislotalar tarkibida doimo vodorod (H) atomlari mavjud bo'ladi.

Accepted Answer

o

Question 15

Ammiakning (NH3) kimyoviy formulasi to'g'ri yozilganmi?

Accepted Answer

o

Question 16

Moddaning hajmiy konsentratsiyasini aniqlash uchun qanday birlik ishlatiladi?

Accepted Answer

1

Question 17

Uglerodning (C) oksidlanish darajasi CO2 birikmasida nechaga teng?

Accepted Answer

+4

Question 18

Reaksiyaga kirishuvchi moddalar konsentratsiyasi ortganda reaksiya tezligi kamayadi.

Accepted Answer

x

Question 19

Suvning kimyoviy formulasi qanday?

Accepted Answer

1

Question 20

Alyuminiy sulfatning (Al2(SO4)3) kimyoviy formulasida oltingugurtning oksidlanish darajasi nechaga teng?

Accepted Answer

+6