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White vitriol এর সংকেত কোনটি ?

White vitriol এর সংকেত কোনটি ? Correct Answer ZnSO4,7H2O

নীল ভিট্রিওল (Blue vitriol) ➞ CuSO4 .5H2Oসাদা ভিট্রিওল (White vitriol) ➞ ZnSO4.7H2Oসবুজ ভিট্রিওল(Green vitriol)➞  FeSO4 .7H2Oলাল ভিট্রিওল (Red vitriol) ➞ CoSO4 .7H2O

Related Questions

There are two boxes. Box I contains one white card and two black cards and Box II contains one white card and a black card. Two persons P and Q play a game. P picks a card randomly from Box I. If P finds the white card, P wins and the game stops. If P finds the black card, Q draws a card randomly from Box II. If Q finds the white card Q wins. The game stops whether Q draws the white card or P draws the white card. Which one of the following is correct?
There are six toys arranged one above the other in form of a stack, the lowermost is numbered 1 and the toy above it as 2 and so on. Each toy is of a different colour Purple, Pink, White, Yellow, Red and Grey. Purple toy is at the even position but not at the top. The red toy is not adjacent to the white or yellow toy. Grey toy is at 5th position. There are two toys between pink and white toy where pink toy is above the white one. White toy is not at the bottommost position. Which toy among the following options is not at an odd position?
There are six toys arranged one above the other in form of a stack, the lowermost is numbered 1 and the toy above it as 2 and so on. Each toy is of a different colour Purple, Pink, White, Yellow, Red and Grey. Purple toy is at the even position but not at the top. Red toy is not adjacent to white or yellow toy. Grey toy is at 5th position. There are two toys between pink and white toy where pink toy is above the white one. White toy is not at the bottommost position. At which position is the pink toy?
এনালগ সংকেত ব্যবহারের ফলে- i. নয়েজ বাড়ে ii. সংকেত বিবর্ধিত হয় iii. সংকেত হারিয়ে যাওয়ার সম্ভাবনা থাকে নিচের কোনটি সঠিক?
Blue Vitriol-এর সংকেত কোনটি?
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