$N a O H$ is a strong base because

It gives $O H^{-}$ ion.

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It can be oxidised

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It can be easily ionised

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It provides $H_{3} O^{+}$ ions.

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Solution

The correct option is A
It gives $O H^{-}$ ion.

$N a O H$ completely dissociates to give $N a^{+}$ and $O H^{-}$ ions in water. Hence it is considered as a Strong base.

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NaOH is a strong base because

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Sodium carbonate is a basic salt because it is a salt of
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(b) weak acid and weak base
(c) strong acid and weak base
(d) weak acid and strong base

Q. Assertion :Heat of neutralisation of strong acid and strong base is constant irrespective of nature of strong acid or the strong base. Reason: It is because strong acid and strong base are completely ionised in aqueous solution.

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Q. The heat of neutralization of any strong acid and a strong base is always constant. This is because:

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NaOH is a strong base because

The correct option is A It gives OH− ion. NaOH completely dissociates to give Na+ and OH− ions in water. Hence it is considered as a Strong base.

$N a O H$ is a strong base because

The correct option is A
It gives $O H^{-}$ ion.

$N a O H$ completely dissociates to give $N a^{+}$ and $O H^{-}$ ions in water. Hence it is considered as a Strong base.