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A-Level Edexcel Chemistry
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Equation for Magnesium reacting with warm water - CORRECT ANSWERS-Mg(s) + 2 H2O(l) - Mg(OH)2 + H2 much slower reaction than with steam & no flame Which group 2 metals will react with cold water to form metal hydroxides? - CORRECT ANSWERS-Calcium, Strontium, Barium Observations of group 2 metals reacting with water to form hydroxides - CORRECT ANSWERS-- Effervescence - Metal dissolves - Solution increases in temperature - White precipitate forms (less down the group) - Solution/water turns alkaline MgO + H2O - ? - CORRECT ANSWERS-Mg(OH)2 2HNO3 + Mg(OH)2 - ? - CORRECT ANSWERS-Mg(NO3)2 + 2H2O Which group 1 carbonate decomposes? - CORRECT ANSWERS-Only lithium carbonate decomposes Group 1 carbonates don't decompose because:
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