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10th Date Sheet 2025
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Which of the following oxide(s) is/are soluble in water to form alkalis?
2. Which of the following oxide(s) is/are soluble in water to form alkalis?
(i) Na2O (ii) SO2 (iii) K2O (iv) NO2
- (i) and (iii)
- (i) only
- (ii) and (iv)
- (iii) only
The correct answer is (i) and (iii)
CBSE 12th and 10th Syllabus and Model Papers
MBA Colleges in India
Last Updated on : December 05, 2025
