18. Which form of electromagnetic radiation has the longest wavelengths? (A) gamma rays (B) microwaves (C) radio waves (D) x-rays

18. Which form of electromagnetic radiation has the longest wavelengths?
(A) gamma rays
(B) microwaves
(C) radio waves
(D) x-rays

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統計： A(2), B(2), C(11), D(0), E(0) #347705

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Kai

B2 · 2019/06/08

#3402884

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5. One milliliter (1.00 mL) of acid taken from a lead storage battery is pipetted into a flask. Water and phenolphthalein indicator are added, and the solution is titrated with 0.50 M NaOH until a pink color appears; 12.0 mL are required. The number of grams of H2SO4 (formula weight = 98) present in one liter of the battery acid is (to within 5%): (A) 240 (B) 290 (C) 480 (D) 580

18. Which form of electromagnetic radiation has the longest wavelengths?
(A) gamma rays
(B) microwaves
(C) radio waves
(D) x-rays

詳解 (共 1 筆)

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