Atom deb nimaga aytiladi?
1. Manfiy zaryadlangan elektronlardan tashkil topgan zarracha
2.Musbat zaryadga ega bo`lgan protonga
3.Bo`linmas zarracha
4. Musbat zaryadga ega bo`lgan yadro
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Quiz
•
Chemistry
•
10th Grade
•
Hard
Diyorbek Rustamov
Used 1+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Atom deb nimaga aytiladi?
1. Manfiy zaryadlangan elektronlardan tashkil topgan zarracha
2.Musbat zaryadga ega bo`lgan protonga
3.Bo`linmas zarracha
4. Musbat zaryadga ega bo`lgan yadro
1.2.3.4
1.2.3
1.3.4
2.3.4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2. Elementning muhim miqdoriy tavfsifi.
Valentlik
Molekula
Jisim
Modda
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
3. Notog`ri fikrni aniqlang.
1. oksidlar oddiy moddalar yonishidan hosil bo`ladi
2. Lakmusning ishqoriy muhitdagi rangi sariq
3. Natriy suv tubida saqlanadi
4. CaO Suvdagi eritmasi zararkunandalar uchun ozuqa sifatida qo`llaniladi
5. Natriy gidroksid o`yuvchi xossaga ega
6. Ishqoriy va ishqoriy-yer metallar gidroksidlari suvda yomon eriydi
1.3.5.6
2.3.4.6
1.2.3.4
2.5.6.4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rasmda qaysi modda tuzilishi berilgan
1.H2O; 2 CaO; 3. NaOH; 4. HOH
1.3
2.4
1.4
1.2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rasmda qaysi oksid ko`rsatilgan?
CO2
CaO
Na2O
K2O
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
6. To`g`risini tanlang
1. SO3 molekulasidagi oltingugurtning foiz tarkibi 40%
2. SO2 molekulasidagi kislorod massasi oltingugurtnikidan 2marta yengil
3. HNO3 molekulasidagi azotning valentligi 3ga teng
4. 2 mol Na2O tarkibidagicha Natriy, 4 mol NaNO3 da mavjud
1,2
2,3
1.3
1.4
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
7. Moslikni tanlang.
1. H2+O2=
2. Zn+HCl=
3. H2+Cl2=
4. Na2O+H2SO4=
a-Na2SO4+H2O
b-HCl
c-ZnCl+H2
d-H2O
1-a; 2-c;3-b; 4-d
1-d; 2-c; 3-b; 4-a
1-b; 2-d; 3-a; 4-c
1-c; 2-d; 3-b; 4-a
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