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কাশি, অতিরিক্ত শ্লেষ্মা বা কফ, এয়ারওয়ে সিক্রেশন ক্লিয়ারেন্স থেরাপি চিকিৎসায় নির্দেশিত হয়।
Calcium Carbonate (CaCO3) commonly known as Limestone, Marble, Chalk.
1 Answers 1 viewsSolution: 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
1 Answers 1 viewsSolvay 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.
1 Answers 1 views(a) Echinodermata
1 Answers 1 viewsIn a reaction, sodium carbonate reacts with ethanoic acid to produce sodium ethanoate, carbondioxide, and water. Sodium + Ethanoic → Sodium + ...
1 Answers 1 viewsHint– Step-1 Separate iron filings with the help of a magnet Step-2 Sublimation of the remaining mixture separates ammonium chloride Step-3 Add water to the remaining mixture, stir and filter Step-4 The filtrate can...
1 Answers 1 viewsSince dissolution of NH4Cl in water is endothermic process, its solubility increases with rise in temperature (i.e., Le-Chatelier process).
1 Answers 1 viewsIt is used as detergents, e.g,[CH3(CH2)15N(CH3)2]+Cl-.
1 Answers 1 viewsAmmonium chloride (NH4Cl) is the salt of a strong acid, hydrochloric acid (HCl), and a weak base ammonium hydroxide (NH4OH), so an aqueous solution of ammonium chloride is acidic in...
1 Answers 1 views