Question

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Answer 1

Answer:

Explanation:

(1) No .

(2) Yes .

(3) Yes .

Answer 2

Explanation:

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HERE is YOUR ANSWER...

1)ANS:

Sodium carbonate acts as an alkali because when dissolved in water, it dissociates into the weak acid: carbonic acid and the strong alkali: sodium hydroxide. ... Na2CO3 is a salt of strong base(NaOH) & weak acid (H2CO3). SO,cation of strong base (Na+) can't get hydrolysed in water..

2)ANS:

Alkali metals are prepared by electrolysis of their fused chlorides. ... Aquesous salt solution cannot be used fro the electrolysis of alkali metals as they are more electroposiitve than hydrogen ions due to which hydrogen ions will discharge preferentially to form hydrogen gas.

3)ANS:

Sodium is a s block element and abundant on earth whereas potassium is highly reactive element . - Sodium is used in seasoning the meats and is a part of human diet. ... - As sodium is more in extracellular fluid, it is important to maintain homeostasis. - Hence, sodium is more useful than potassium to humans...

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