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What is sodium zincate made of?

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in Chemistry – Class 11 by (148k points)
What is sodium zincate made of?

(a) Sodium and oxygen

(b) Sodium, zinc, and oxygen

(c) Zinc and oxygen

(d) Sodium and zinc

The question was asked during an interview.

My doubt is from Preparation of Dihydrogen & H2 in portion Hydrogen of Chemistry – Class 11

1 Answer

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The correct option is (b) Sodium, zinc, and oxygen

To explain I would say: When zinc is reacted with sodium hydroxide in the presence of heat Sodium zincate and hydrogen are formed the chemical formula of sodium zincate is Na2ZnO2. Therefore Sodium Zincate is made of sodium, zinc, and oxygen.

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