Which of the following is a strong base a)calcium hydroxide b) sodium carbonate c)sodium hydroxide d)Ammonium hydroxide

Dear Student,
Correct answer is option c that is sodium hydroxide.
Strong bases are characterised by the fact that they dissociate completely in aqueous solution. In this case, sodium hydroxide, NaOH , is classified as a strong base because it dissociates completely in aqueous solution to form sodium cations, Na+ , and hydroxide anions, OH−.

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Sodium hydroxide
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