The element which is not common between the compounds called baking soda and soda ash is(a) sodium (b) hydrogen(c) oxygen (d) carbon

Correct Answer: (b) hydrogen

Explanation: Washing soda (soda ash), Na₂CO₃ contains Na, C and O, whereas baking soda, NaHCO₃, is made up of Na, C, H and O. So, the element, which is not common in the two, is hydrogen.

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Updated on: 10-Oct-2022

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