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Armenia Chemistry Unified Exam Practice Questions - Unified Entrance Examination - Chemistry (Քիմիա) Exam

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About this Exam

Prepare with the Armenia Chemistry Unified Exam Practice Questions - Unified Entrance Examination - Chemistry (Քիմիա) Exam practice quiz. This question bank includes 100 questions covering solution, acid, mass, sodium, and aqueous. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

Sample Questions

Question 1
What is the ground-state electron configuration of the chromium atom (24_Cr)?
1s² 2s² 2p⁶ 3s² 3p⁶ 3d⁵ 4s¹ ([Ar] 3d⁵ 4s¹)
1s² 2s² 2p⁶ 3s² 3p⁶ 3d⁴ 4s² ([Ar] 3d⁴ 4s²)
1s² 2s² 2p⁶ 3s² 3p⁶ 3d⁶ ([Ar] 3d⁶)
1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 4p⁴
Question 2
Which of the following molecules has a non-polar (zero dipole moment) linear molecular geometry despite containing polar covalent bonds?
CO2 (Carbon dioxide)
H2O (Water)
SO2 (Sulfur dioxide)
NH3 (Ammonia)
Question 3
In the reaction 2NO(g) + O2(g) <=> 2NO2(g) + Q (exothermic), which change will shift the chemical equilibrium toward the formation of more products (to the right)?
Increasing the pressure or decreasing the temperature
Decreasing the pressure or increasing the temperature
Adding a catalyst
Removing NO(g) from the reaction vessel
Question 4
What is the oxidation state of sulfur in sodium thiosulfate (Na2S2O3)?
+2
+4
+6
+2.5
Question 5
What is the pH of a 0.005 M aqueous solution of barium hydroxide (Ba(OH)2), assuming complete electrolytic dissociation at 25°C?
12.0
11.7
2.0
11.0

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Additional Information

Armenia Chemistry Unified Exam Practice Questions - Unified Entrance Examination - Chemistry (Քիմիա) Exam

This practice set contains 100 questions from the matching question bank and focuses on solution, acid, mass, sodium, and aqueous. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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Frequently Asked Questions

This quiz contains a total of 100 practice questions carefully selected to test your knowledge on this subject.
Yes, you will have exactly 0 minutes to complete the exam. A countdown timer will be visible once you start.
Yes, you can retake this practice test as many times as you need. The questions and options may be randomized on subsequent attempts to ensure comprehensive learning.

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