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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
- How many calories are required to heat 40 gram of argon from 40⁰C to 100⁰C
- The percentage strength (in g litre⁻¹) of 10 mL of 20 vol.solution of H₂O₂ is
- How many edta molecules can surround calcium
- Glycerolis not used in
- In which of the solutions containing following solutes, its normality is equal
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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