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Which of the following oxides is amphoteric in character?
Options
(a) Co₂
(b) CaO
(c) SiO₂
(d) SnO₂
Correct Answer:
SnO₂
Explanation:
CaO — basic
Co₂ — acidic
SiO₂ — weakly acidic
SnO₂ — amphoteric
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Question Type: Memory
(964)
Difficulty Level: Easy
(1008)
Topics: Classification of Elements and Periodicity
(94)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The carboxylic acid of least strength among the following is
- One of the oxidants used with liquid propellants is
- Ionisation constant of CH₃COOH is 1.7 ˣ 10⁻⁵ and concentration of H⁺ ions
- If 1 mole of an ideal gas expands isothermally at 37⁰C from 15 litres
- In the electrolysis of aqueous solution of CuSO₄ using copper electrodes, the
Question Type: Memory (964)
Difficulty Level: Easy (1008)
Topics: Classification of Elements and Periodicity (94)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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