A: green
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Why does barium react more rapidly with cold water than magnesium does?
Z is an anhydrous compound of a Group 2 element. When it is heated, Z undergoes thermal decomposition to produce two …
A solution contains both Mg²⁺(aq) and Sr²⁺(aq) at the same concentration. The solution is divided into two equal port…
Hot aqueous sodium hydroxide reacts with chlorine. 6NaOH(aq) + 3Cl2(g) → 5NaCl(aq) + NaClO3(aq) + 3H2O(l) Which state…
Solid ammonium nitrate is put into a test-tube and solution X is added to it. The resulting mixture is warmed and the…
Sodium, magnesium and aluminium are three elements in Period 3 of the Periodic Table. Each element forms an oxide. Wh…