9 сынып толық қысқартылған иондық теңдеу, реакция теңдеулер
Authored by Nazarbek Zhanuzakuly
Chemistry
1st Grade
Used 6+ times
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9 questions
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1.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Реакция теңдеуін аяқтаңыз:
K+O2 =
K+O2=K2O
K+O2=KO
2K+O2=2K2O
4K+O2=2K2O
2.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Реакция теңдеуін аяқтаңыз:
Na2O + H2O=
Na2O+H2O=2NaOH + H2
Na2O+H2O=2NaOH
Na2O+2H2O=2NaOH
3.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Реакция теңдеуін аяқтаңыз:
Na+H2O=
Na+H2O=NaOH+H2
2Na+2H2O=2NaOH+H2
Na+H2O=2NaOH
4.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Реакция теңдеуін аяқтаңыз:
K2CO3+BaCl2=
K2CO3+BaCl2=KCl+BaCO3
K2CO3+BaCl2=ClK+CO3Ba
K2CO3+BaCl2=BaCO3+2KCl
5.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Реакция теңдеуін аяқтаңыз:
Al2(SO4)3+NaOH=
Al2(SO4)3+3NaOH=2AlOH3+3NaSO4
Al2(SO4)3+NaOH=2Al(OH)3+3Na2SO4
Al2(SO4)3+6NaOH=2Al(OH)3+3Na2SO4
6.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Реакция теңдеуін құрастырыңыз:
?+?=P2O5
2P+5O=P2O5
2P+5O2=2P2O5
4P+5O2=2P2O5
7.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Реакция теңдеуін құрастырыңыз:
?+?=NaCl+Mg(OH)2
Na2O+MgCl2=2NaCl+Mg(OH)2
2NaOH+MgCl2=2NaCl+Mg(OH)2
NaOH+MgCl2=NaCl+Mg(OH)2
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