Priya dissolved 2ml of calcium hydroxide in 5ml water. Which negative ions will be obtained from this mixture?
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Reaction type :- Synthesis or combination reaction
Balance chemical Reaction. CaO +H2O-Ca(OH)2
Nature' of Reaction:- Exothermic reaction (Heat energy is realised).
Red litmus paper turns blue.
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Hydroxide ions are negative ions obtained from this mixture.
- Calcium hydroxide on dissolving in water will dissociate into ions namely calcium ions, hydrogen ions and hydroxyl ions.
- Calcium ions and hydrogen ions are both positively charged ions and are known as cations.
- Hydroxyl ions are negatively charged ions and are known as anions.
- Calcium hydroxide is a white powder used in food processing, paper production etc.
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