SAT Chemistry Competitive Exam MCQs – Practice Test 45 (Chapter 5)

Descriptive Chemistry MCQs with Answers PDF Download – Test 45

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Download the "Descriptive Chemistry MCQs" App: Amount of argon in the atmosphere; MCQ with answers: 78%, 0.03%, 0.90%, and 0.30%. Solve Cooling Curves Quiz Questions, download Google e-Book (Free Chapter) to strengthen knowledge retention.

Descriptive Chemistry MCQs – Practice Test 45 PDF Download

MCQ 221: Second ionization energy value of sodium is:

495 KJ/mol
4565 KJ/mol
6916 KJ/mol
1234 KJ/mol

MCQ 222: The amount of argon in the atmosphere:

0.03%
78%
0.90%
0.30%

MCQ 223: The compound with the ionic nature is:

AlL₃
PbCl₂
ZnO
BeO

MCQ 224: The value of hydration energy for hydrogen ion is:

(-)1075 KJ/mol
1075 KJ/mol
1175 KJ/mol
1499 KJ/mol

MCQ 225: The second electron affinity value is always:

Positive
Negative
May be positive
May be negative

Descriptive Chemistry MCQs App & e-Book – SAT Chemistry Competitive Exam

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