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 following substances increases in mass when heated in air? ...
Which of the following equations show that a reaction is in equilibrium? ...
Which of the curves above represents the behaviour of 1 mole of an ideal gas? ...
Which of the following salt solutions will have a pH greater than 7? ...
In a saturated solution at a given temperature, the undissolved solutes are in equilibrium with ...
The collision theory explains reaction rates in terms of ...
Which of the following compounds will undergo polymerization reaction? ...