10 gm of silver nitrate solution is added to 10 gm of sodium chloride solution. What change in mass do you expect after the reaction and why?
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In the refining of silver, the recovery of silver from silver nitrate solution involved displacement by copper metal.
Answer 2AgNO3 (aq) + Cu (s) → Cu(NO3)2 (aq) + 2Ag (s) Silver Nitrate + Copper → Copper Nitrate + Silver
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A solution of potassium chloride when mixed with silver nitrate solution, an insoluble white substance is formed.
KCl (aq) + AgNO3 (aq) → AgCl (s) + KNO3 (aq) It is a double displacement and precipitation reaction.
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The formation of sodium chloride from gaseous sodium and gaseous chloride is a redox process. Justify.
Na atom get oxidize and Cl is reduced
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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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A silver ornament of mass ‘m’ gram is polished with gold equivalent to 1% of the mass of silver.
Mass of silver = m g Mass of gold = m /100g Number of atoms of silver = Mass/ Atomic mass X NA ...
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You are provided with a mixture containing sand, iron filings, ammonium chloride and sodium chloride.
Hint– 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...
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(i) What is observed when a solution of potassium iodide is added to a solution of lead nitrate taken in a test tube?
(i) A yellow precipitate of lead iodide (PbI2) is formed. (ii) Precipitation reaction/Double displacement reaction. (iii) Pb(NO3)2(aq) + 2KI(aq) ------> PbI2(s) + 2KNO3 (aq) Lead nitrate Potassium iodide Lead iodide Potassium nitrate ...
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What happens when silver nitrate solution is added to sodium chloride solution? Write the equation for the reaction which takes place.
(i) When silver nitrate solution is added to sodium chloride solution, a white precipitate of silver chloride is formed along with sodium nitrate solution. AgNO3(aq)+ NaCl(aq) --------> AgCl(s) + NaNO3(aq) ...
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If you happen to go to a desert, what changes do you expect to observe in the urine you excrete? You would
(i) excrete small amount of urine. (iii) excrete concentrated urine.
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i. What is decomposition reaction? ii. What type of reaction will occur when silver chloride is exposed to sunlight?
i. Decomposition reaction is a reaction in which single reactant breaks down to form two or more simpler products. ii. Photochemical decomposition of silver chloride will occur on its exposure to...
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