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

When the substance ‘A’ is added to a solution of BaSO4, a yellow precipitate is formed. - Science and Technology 1

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प्रश्न

When the substance ‘A’ is added to a solution of BaSO4, a yellow precipitate is formed.

  1. What do you think substance A is likely to be?
  2. Name the precipitate.
  3. Which type of reaction is this?
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उत्तर

(a) The substance 'A' is potassium chromate (K2Cr07

(b) The name of the yellow precipitate is barium chromate (BaCr04).

(c) The type of chemical reaction is double displacement.

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2012-2013 (March)

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