
電離式 Level1
Quiz
•
Science
•
9th - 12th Grade
•
Practice Problem
•
Easy
長戸雄己 長戸雄己
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20 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
塩化ナトリウム NaCl が水に溶けたときの電離を表す式として正しいものはどれか。
NaCl → Na⁺ + Cl⁻
NaCl → Na + Cl
NaCl → Na²⁺ + 2Cl⁻
NaCl → Na⁻ + Cl⁺
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
硝酸 HNO₃ の電離を正しく表す式はどれか。
HNO₃ → H⁺ + NO₃⁻
HNO₃ → H⁻ + NO₃⁺
HNO₃ → H₂ + NO₃⁻
HNO₃ → H⁺ + NO₂⁻
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
硫酸 H₂SO₄ の電離式として正しいものはどれか。
H₂SO₄ → 2H⁺ + SO₄²⁻
H₂SO₄ → H⁺ + SO₄⁻
H₂SO₄ → 2H⁻ + SO₄²⁺⁻
H₂SO₄ → 2H + SO₄²⁻
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
水酸化ナトリウム NaOH の電離式として正しいものはどれか。
NaOH → Na⁺ + OH⁻
NaOH → Na²⁺ + O²⁻ + H₂
NaOH → Na + OH
NaOH → Na⁻ + OH⁺
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
塩酸 HCl の電離を正しく表すものはどれか。
HCl → H⁺ + Cl⁻
HCl → H⁻ + Cl⁺
HCl → H₂ + Cl₂
HCl → H⁺ + Cl
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
酢酸 CH₃COOH の電離として正しいものはどれか。
CH₃COOH ⇄ H⁺ + CH₃COO⁻
CH₃COOH → H₂ + CO₂
CH₃COOH → CH₃⁺ + COOH⁻
CH₃COOH → H⁻ + CH₃COO⁺
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
アンモニア NH₃ が水に溶けたときの反応を表す正しい式はどれか。
NH₃ + H₂O ⇄ NH₄⁺ + OH⁻
NH₃ → NH₃⁺ + e⁻
NH₃ → N³⁺ + 3H⁻
NH₃ + H₂O → NH₃OH
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