В-бөлшек түзіп және 234\91 Ра ыдырайтын белсенді изотоп

11 нұсқа

Quiz
•
Chemistry
•
11th Grade
•
Hard
Тогжан Нурмуханова
Used 5+ times
FREE Resource
17 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
А)91 Kr
В)60 Co
C)234 Th
D)235 U
E)14 N
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
BeCl2 молекуласының гибридтену типі
A) sp
B)s2p
C) s3p
D)sp2
E) sp3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Аммиактан азот қышқылын алу неше сатыдан тұрады
А) 1
В) 4
C) 3
D) 5
E) 2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Тотықсыздану процесі
A) C+2 - C+4; Fe+2 - Fe+3; C+4 - C.0
B) N+5 - N-3; S+6 - S.0; Mn+7- Mn+2
C) S+6 -S°; C+4 - C.O; Cr+2 - Cr+3
D) N-3 - N°; C+4 - C°; C+2 - C°
E) C+2 - C°;S+6 - + S-2; Mn° - Mn2+
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Тұз қышқылының 0,01М ерітіндісінің рН мәні
А)5
В)2
С) 9
D) 12
E) 1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ең күшті тотықтырғыш
A) Al
B) Cl
C) Br
D) F
E) I
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Фенолға сапалық реактив
A)Na
B) Cl2
C) NaOH
D) FeCl3
E) KCl
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