
Քիմիա 9----2
Quiz
•
Chemistry
•
9th Grade
•
Practice Problem
•
Hard
Nelli Martirosyan
Used 50+ times
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6 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Ի՞նչ զանգվածի աղ կառաջանա 200գ նատրումի հիդրօքսիդի 10% լուծույթը 10 գ ծծմբական թթվի հետ փոխազդելիս․
14,49
12,31
14,33
14,22
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Հաշվել 2գ լիթիումը ջրի հետ փոխազդելիս ինչ՞ զանգվածի հիմք կառաջանա․
6,86
5,24
6,65
6,21
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Գտնել X նյութը․Cu CuO X CuO
CuO
Cu
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ինչ՞ տիտպի ռեակցիա է․
միացման
քայքայման
չեզոքացման
տեղակալման
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Ի՞նչ զանգվածի աղ կառաջանա 20գ կալիումի հիդրօքսիդի և 10գ աղաթթվի փոխազդեցությունից․
38,9
28,9
36,4
1,88
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Հաշվել 5 գ կալցիումի և ջրի փոխազդեցությունից ինչ՞ քանակի ջրածին է անջատվում․
0,125
0,122
0,156
1,11
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