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6. Which of the following metal is not an alkali metal? 6. नि | Neet hindi medium - Notes Quiz

6. Which of the following metal is not an alkali metal?

6. निम्नलिखित में से कौन सी धातु क्षार धातु नहीं है?
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31%
magnesium
33%
rubidium
21%
sodium
16%
caesium