6 Sinflar uchun test savollari

20. Qanday hodisada modda sifati o`zgaradi?
A) fizikaviy hodisada
B) kimyoviy hodisada
C) tusli jarayonlarda
D) to`g`ri javob berilmagan


7 – sinflar uchun “Kimyo” fanidan


T E S T S A V O L L A R I I – chorak
IV – variant
1. Osh tuzini formulasini va molekulyar massasini aniqlang?
A) Na Cl; 58,5 gr B) Na₂ O; 62 gr
C) Na Cl₂: 94 gr D) Na OH; 40 gr
2. Atom molekulyar ta’limot asoschilari?
A) D.I.Mendeleyev, J.Dal’ton
B) M.V.Lomonosov, J.Dal’ton
C) Laureaziye, D.I.Mendeleyev
D) J.B.Pristli
3. Quyida faqat kimyoviy jihozlarni ko`rsating?
A) osh tuzi, probirka, shtativ
B) probirka, suv, osh tuzi
C) shtativ, probirka, spirt lampasi
D) osh tuzi, simob, suv
4. Molekula nimadan tashkil topadi?
A) mikrozarrachalardan B) atomlardan
C) moddalardan F) elektron, neytrondan
5. Suvni formulasi va molekulyar massasini ko`rsating?
A) H₂O₂; Mr = 34 gr
B) HO₂; Mr = 33 gr
C) H₂O; Mr = 18 gr
D) HO; Mr = 17 gr
6. Quyida faqat gaz moddalari berilgan qatorni ko`rsating?
A) vodorod, kislorod, azot
B) vodorod, kislorod, suv
C) osh tuzi, alyuminiy suv
D) vodorod, suv, osh tuzi
7. Sublimatlanish - …
A) qattiq holatdan suyuqlanmasdan gaz holatiga o`tuvchi moddalarga
B) modda hosil qilish jarayoni
C) moddani tarkibini tekshirish
D) birikmani tarkibiy qismlarga ajralishi
8. Quyida faqat murakkab modda berilgan qatorni ko`rsating?
A) O₂, Cl₂ H
B) HCl, H₂ SO₄ ,CaO
C) H₂O, H₂, O₂,
D) Ca O, MgO
9. Quyida faqat oddiy moddalar formulasini ko`rsating?
A) H₂O, Na Cl, H₂;
B) H Cl, H₂ SO₄ HJ;
C) H₂, O₂, Cl₂;
D) Zn, Mg, CaO;