Reactions of metal with water Flashcards
How does calcium react with water?
Less reactive than sodium and potassium but still reacts with cold water.
What gas is produced when calcium reacts with water?
Hydrogen gas (bubbles of effervescence).
What is formed when calcium reacts with water?
Calcium hydroxide, which partially dissolves in water.
Why may the solution turn cloudy in the reaction of calcium with water?
Due to undissolved calcium hydroxide.
What is the word equation for calcium reacting with water?
Calcium + Water → Calcium Hydroxide + Hydrogen
What happens to calcium when placed in water?
It sinks but reacts steadily.
How does the reaction of calcium with water compare to sodium or potassium?
It is slower than sodium or potassium.
Why may water feel warm after calcium reacts with it?
Due to the released energy.
