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महाराष्ट्र राज्य शिक्षण मंडळएस.एस.सी (इंग्रजी माध्यम) इयत्ता १० वी

When Zinc Powder is Added to Acetic Acid ______________ (A) the Mixture Becomes Warm (B) a Gas is Evolved (C) the Colour of the Mixture Becomes Yellow (D) a Solid Settles at the Bottom - Science and Technology 2

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प्रश्न

When zinc powder is added to acetic acid ______________

(a) the mixture becomes warm
(b) a gas is evolved
(c) the colour of the mixture becomes yellow
(d) a solid settles at the bottom

उत्तर

A gas is evolved.
Zn + 2CH3COOH → Zn (CH3COO)2 + H2

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2016-2017 (March)

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