Q

Which one of the following is not alkaline?

RRB NTPC (G) CBT-1, 3-Apr-16 S-3 2016
✓ Answer: D Sulphur
Sodium, Potassium, and Lithium are alkali metals and are considered alkaline elements. These metals belong to Group 1 of the periodic table, and they have a tendency to form alkaline solutions when combined with water. Sulphur, on the other hand, is a non-metal and is not alkaline; it is generally classified as a non-metallic, acidic element.
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