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অ্যাসিড বদহজম, মূত্রাশয় ক্যালকুলাস, অম্বল, কিডনিতে পাথর, পেট খারাপ, ক্যাথেটার সেচ চিকিৎসায় নির্দেশিত হয়।
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What is calcium carbonate (caco3)commonly known as?
Calcium Carbonate (CaCO3) commonly known as Limestone, Marble, Chalk.
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What is calcium carbonate (caco3)commonly known as?
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0.84 g of metal carbonate reacts completely with 40 ml of H2SO4. What is equivalent weight of the metal-
Solution: weight of metal carbonate/GEW = NaXVa in lt 0.84/GEW = 0.5X40/1000 GEW of metal carbonate = 42 GEW of Metal = 42 - GEW of CO3-2 = 42-30 = 12g
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Potassium carbonate cannot be prepared by Solvay process. Why?
Solvay process cannot be used to prepare potassium carbonate. This is because unlike sodium bicarbonate,potassium bicarbonate is fairly soluble in water and does not precipitate out.
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Hard calcium carbonate structures are used as skeleton by (a) Echinodermata (b) Protochordata (c) Arthropoda (d) Nematoda
(a) Echinodermata
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In a reaction 5.3 g of sodium carbonate reacted with 6 g of ethanoic acid. The products were 2.2 g of carbon dioxide
In a reaction, sodium carbonate reacts with ethanoic acid to produce sodium ethanoate, carbondioxide, and water. Sodium + Ethanoic → Sodium + ...
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Write the chemical formula of the following: (a) Magnesium chloride (b) Calcium oxide (c) Copper nitrate (d) Aluminium chloride (e) Calcium carbonate
(a) Magnesium chloride →MgCl2 (b) Calcium oxide →CaO (c) Copper nitrate →Cu(NO3)2 (d) Aluminium chloride →AlCl3 (e) Calcium carbonate →CaCO3
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Calculate the number of moles of magnesium present in a magnesium ribbon weighing 12 g. Molar atomic mass of magnesium is 24g mol–1.
Number of moles 12 / 24 = 0.5 mol
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Compute the difference in masses of 10^3 moles each of magnesium atoms and magnesium ions. (Mass of an electron = 9.1×10–31 kg)
A Mg2+ ion and Mg atom differ by two electrons. 103 moles of Mg2+ and Mg atoms would differ by 103 × 2 moles of electrons Mass of 2 ×103 moles of electrons...
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Why are cimetidine and ranitidine better antacids than sodium hydrogen carbonate or magnesium or aluminium hydroxide?
Antacids such as sodium hydrogen carbonate, magnesium hydroxide, and aluminium hydroxide work by neutralising the excess hydrochloric acid present in the stomach. However, the root cause for the release of...
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