Question

please answer 22
step by step

Answer 1

hey mate,...

here's your answer,...

X is surely a metal, cos it forms an oxide when it reacts with Oxygen, but non metals form Hydroxide when mixed with Oxygen

X can be any metal

✔For example x = magnesium (Mg) .When it reacts with oxygen it becomes magnesium oxide (MgO). 

hope it helps you,..,..

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