UPSC EPFO EO/AO 2023 · Question 88

Question 88 of the UPSC EPFO EO/AO Recruitment Test 2023 (General Ability Test) (2 July 2023). Try it first, then check your answer and the explanation in the practice app.

1. EO/AO 2023 · Q88 · General Science & Computers · Chemistry

   Crystals of copper sulphate pentahydrate, on heating, form:

   1. blue colour salt
   2. white colour salt
   3. green colour salt
   4. brown colour salt

   कॉपर सल्फेट पेंटाहाइड्रेट के क्रिस्टल तपाए जाने पर क्या बनाते हैं?

   1. नीले रंग का लवण
   2. श्वेत रंग का लवण
   3. हरे रंग का लवण
   4. भूरे रंग का लवण

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