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Асаслар

Authored by Gulzaryam Kamirdenova

Chemistry

8th Grade

Used 8+ times

Асаслар
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

1.Асаслар қанчә топқа бөлүниду?

А) 4 

Ә)3

Б) 2

В)5

Answer explanation

3

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

2. Щелочь еритмисида фенолфталеин рәңги қандақ өзгириду?

А) сериқ  

Ә) қизил-сериқ

Б) қизил

В) малина рәң

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

3. Тоғра реакцияни тепиңлар?

А) Na+H2O→       

Ә) CuO+H2O→

Б) Cu+HCl→    

В) SiO2+H2O→

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

4. Кальций гидроксиди  қайсу мадда билән тәсирлишиду?

А) CO2      

Ә) CuO  

Б) NaNO3

В)NaOH

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

5. Қайсу қатарда пәқәт амфотерлиқ гидроксидлар орунлашқан?

А) Mn(OH)2,Cr(OH)2,Cu(OH)2  

Ә) Zn(OH)2,Ba(OH)2,Fe(OH)3

Б) Al(OH)3,KOH,Mg(OH)2   

В) Zn(OH)2,Be(OH)2,Cr(OH)3

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

6. Қайси реакция бетәрәпләшкә мисал болайду?

А) Na2O+H2O→      

 Ә) NaOH+CO2→  

   Б) KOH+H2SO4        

  В) Cu(OH)2→

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

7. Асасларниң физикилиқ хусусийәтлири

А) һәр хил рәңлик, қаттиқ маддилар   

Ә) суюқ маддилар

Б) шәкли йоқ                

В) пурақсиз

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