The metal that liberates hydrogen from cold water in bubb...
The metal that liberates hydrogen from cold water in bubbles only is?
Na
K
Ca
Al
Correct answer is C
After a second or so, the calcium metal begins to bubble vigorously as it reacts with the water, producing hydrogen gas, and a cloudy white precipitate of calcium hydroxide.
Which of the compounds will leave a metal residue when heated? ...
8g of CH4 occupies 11.2 at S.T.P. What volume would 22g of CH3CH2CH3 occupy...
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