Chemistry Fsc Part 1 Online Test With Answers

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Chemistry Fsc Part 1 Online Test

Sr. # Questions Answers Choice
1 If absolute temperature of the gas is doubled and the pressure is reduced to one half the volume the gas will. Remains uncharged Increase four time Reduce to 1/4 Be doubled
2 Borax has the chemical formula. KNO3 Na2B3O7.10H2O Na2CO3 NaNO3
3 Drying agent used in crystallization is. P2O3 Animal charcoal KMnO4 Water
4 The drying agents used in desiccator is. BeCl2 MgCl2 CaCl2 SrCl2
5 The substance used for decolorization of crystalline substance is G2O5 Chloroform Animal charcoal Soda ash
6 During chromatography strip should be dipped into solvent mixture to a depth of. 3-4 mm 4-5 mm 5-6 mm 6-7 mm
7 During paper chromatography, the stationary phase is. Solid Liquid Gas Plasma
8 The comparative rates at which the solutes move in paper chromatography depends on. The size of paper used Their Rt values solutes Temp of the experiment Size the chromate grapic tank
9 Chromatography in which the stationary phase is a solid is classified as. Partition chromatography Gas chromatography Adsorption Chromatography Thin layer chromatography
10 A component having small value of K mostly remains in the. Stationary phase Mobile phase Chromatographic tank Solvent
11 Solvent extraction method is particularly useful technique for separation when the product to be speared is. Non volatile or thermally unstable Volatile or thermally stable Non volatile or thermally stable Volatile or thermally unstable
12 Solvent extraction is an equilibrium process and is controlled by. Law of mass action The mount of solvent used The amount of solute Distribution law
13 Compound which undergo sublimation is KMnO4 CaCO3 NH4Cl Na2CO3
14 Which one is not example of a sublimate. NH4Cl I NaCl Benzoic Acid
15 Which substance is nto a dehydrating agent. CaCl3 CdCl2 Silica gel P2O5
16 The drying agent used in a desiccator. Agcl NH4Cl P2O5 AlCl3
17 Which is not used as drying agent in a desiccator. Cacl2 NaCl P2O5 Salica Gel
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