MCQ 11 MarkThe solubility of NaI in water is ______.✓184 gB 92 gC95 gD36 g.AnswerCorrect option: A. 184 g184 gView full question & answer→
MCQ 21 MarkThe solubility of CaO in water is ______ process.✓ ExothermicB endothermicC AdiabaticDIsothermic.AnswerCorrect option: A. Exothermic ExothermicView full question & answer→
MCQ 31 MarkThe solubility of $KNO _3$ in water is process.A Exothermic✓ endothermicCIsothermicDAdiabatic.AnswerCorrect option: B. endothermic endothermicView full question & answer→
MCQ 41 MarkThe gas – filled in soft drinks in ______.A$O _2$B$N _2$✓$CO _2$D$H _2$AnswerCorrect option: C. $CO _2$$CO _2$View full question & answer→
MCQ 51 MarkThe solubility of NaBr in H2O is ______.A36 g✓ 95 gC184 gD92 g.AnswerCorrect option: B. 95 g 95 gView full question & answer→
MCQ 61 MarkIncrease in ______ increases the solubility of gases.Atemperature✓ pressureCno. of molesD concentration.AnswerCorrect option: B. pressurepressureView full question & answer→
MCQ 71 MarkIn ______ process, solubility decreases with increase in temperature.✓ exothermicBadiabaticCendothermicDisothermic.AnswerCorrect option: A. exothermicexothermicView full question & answer→
MCQ 81 MarkIn _____ process, solubility increases with increase in temperature.A exothermic✓ endothermicCisothermicDadiabatic.AnswerCorrect option: B. endothermicendothermicView full question & answer→
MCQ 91 MarkWhich of the following affect solubility?ATemperatureB Nature of solute and solventC Pressure✓all the above.AnswerCorrect option: D. all the above.View full question & answer→
MCQ 101 MarkThe solubility of NaNO3 in 100 g water at 25°C is ______.A 36 gB95 gC184 g✓ 92 g.AnswerCorrect option: D. 92 g.92 g.View full question & answer→
MCQ 111 MarkThe solubility of $CuSO _4$ in $H _2 O$ is at $20^{\circ} C$.A36 g✓ 20.7 gC10 gD95 g.AnswerCorrect option: B. 20.7 g 20.7 gView full question & answer→
MCQ 121 MarkNitrogen in soil is an example of _____ solution in nature.✓saturatedBunsaturatedCsupersaturatedDaqueous.AnswerCorrect option: A. saturated saturatedView full question & answer→
MCQ 131 Mark36 g of NaCl in 100 g of water is a ____ solution.A Non – aqueousB UnsaturatedC Supersaturated✓Saturated.AnswerCorrect option: D. Saturated.Saturated.View full question & answer→
MCQ 141 MarkCommon salt in water is an example of ______.AColloidal solution✓Binary solutionC SuspensionDall the above.AnswerCorrect option: B. Binary solution Binary solutionView full question & answer→
MCQ 151 MarkThe process of food assimilation by man is in the form of ______.✓ solutionBsolidCsoluteDsolvent.AnswerCorrect option: A. solution solutionView full question & answer→
MCQ 161 MarkAquatic species are more comfortable in cold water because of ______.✓as the temperature decreases, the solubility of dissolved oxygen increasesBas the temperature increases, the solubility of dissolved oxygen increasesCas the temperature increases, the solubility of dissolved oxygen decreaseDNone of these.AnswerCorrect option: A. as the temperature decreases, the solubility of dissolved oxygen increasesas the temperature decreases, the solubility of dissolved oxygen increasesView full question & answer→
MCQ 171 MarkIf two liquids are mutually soluble, they are called _____ liquids.✓ miscibleBimmiscibleCinsolubleD viscous.AnswerCorrect option: A. misciblemiscibleView full question & answer→
MCQ 181 MarkHygroscopic substances are used as ______.✓drying agentsB hydrating agentsC freezing agentsDreducing agents.AnswerCorrect option: A. drying agents drying agentsView full question & answer→
MCQ 191 MarkWater of crystallization of Epsom salt is ______.✓7B5C4D1AnswerCorrect option: A. 77View full question & answer→
MCQ 201 MarkOn heating copper sulphate pentahydrate crystals ______.A blue colour changes into greenBgreen colour changes into blue✓blue colour changes into colourlessDno colour changes.AnswerCorrect option: C. blue colour changes into colourless blue colour changes into colourlessView full question & answer→
MCQ 211 MarkWater of crystallization of blue vitriol is ______.A1✓5C4D2AnswerCorrect option: B. 55View full question & answer→
MCQ 221 MarkZinc sulphate heptahydrate is also called as ______.A Blue VitriolBEpsom saltCGreen Vitriol✓White Vitriol.AnswerCorrect option: D. White Vitriol.White Vitriol.View full question & answer→
MCQ 231 MarkThe mass of NaCl needed to form saturated solution in 50 g of water at 30°C. When the solubility of NaCl is 36 g at 30°C is:✓ 18 gB 9 gC 57 gD 19 gAnswerCorrect option: A. 18 g18 gView full question & answer→
MCQ 241 MarkWhen the temperature increases, volume percentage ______.A Increases✓ DecreasesC no changeD increases then decrease.AnswerCorrect option: B. Decreases DecreasesView full question & answer→
MCQ 251 MarkVolume percentage is expressed as ______.✓v/vB w/wC v/wDw/v.AnswerCorrect option: A. v/v v/vView full question & answer→
MCQ 261 MarkMass percentage is independent of ______.AdensityB volumeCpressure✓temperature.AnswerCorrect option: D. temperature.temperature.View full question & answer→
MCQ 271 MarkThe water of crystallisation present in white vitriol is:A2✓7C5D24AnswerCorrect option: B. 77View full question & answer→
MCQ 281 Mark5% sugar solution means ______.✓ 5 g of sugar in 95 g of waterB 50 g of sugar in 50 g of waterC20 g of sugar in 80 g of waterD95 g of sugar in 5 g of water.AnswerCorrect option: A. 5 g of sugar in 95 g of water5 g of sugar in 95 g of waterView full question & answer→
MCQ 291 MarkThe effect of pressure on the solubility of a gas in a liquid is given by ______.AHess’s lawBOhm’s law✓Henry’s lawDGases law.AnswerCorrect option: C. Henry’s lawHenry’s lawView full question & answer→
MCQ 301 MarkThe factor/factors which affect the solubility of a solute:ANature of the solute and solventBTemperatureC Pressure✓All of theseAnswerCorrect option: D. All of theseAll of theseView full question & answer→
MCQ 311 MarkIn which case solubility increases with increase in temperature?✓Endothermic processB Exothermic processCBoth (a) and (b)DNone of these.AnswerCorrect option: A. Endothermic processEndothermic processView full question & answer→
MCQ 321 MarkSolubility is equal to ______.A$\frac{\text { Mass of the solute }}{\text { Mass of the solution }} \times 100$B$\frac{\text { Mass of the solution }}{\text { Mass of the solute }} \times 100$✓$\frac{\text { Mass of the solute }}{\text { Mass of the solvent }} \times 100$D$\frac{\text { Mass of the solvent }}{\text { Mass of the solute }} \times 100$AnswerCorrect option: C. $\frac{\text { Mass of the solute }}{\text { Mass of the solvent }} \times 100$$\frac{\text { Mass of the solute }}{\text { Mass of the solvent }} \times 100$View full question & answer→
MCQ 331 MarkMass percentage of a solution is independent of:✓ temperatureBamount of soluteCamount of solventDchemical nature of the soluteAnswerCorrect option: A. temperatureView full question & answer→
MCQ 341 MarkWhich one of the following is an aqueous solvent?A BenzeneBAcetoneCAlcohol✓Water.AnswerCorrect option: D. Water.View full question & answer→
MCQ 351 MarkExample for liquid in liquid binary solution is ______.A Copper dissolved in goldBWater vapour in the air✓Ethyl alcohol dissolved in waterDNaCl dissolved in water.AnswerCorrect option: C. Ethyl alcohol dissolved in water Ethyl alcohol dissolved in waterView full question & answer→
MCQ 361 MarkThe solubility of ammonia gas at 25°C is:A 36 g✓48 gC80 gD184 gAnswerCorrect option: B. 48 g 48 gView full question & answer→
MCQ 371 MarkIn a solution, the component which is present in a larger amount is called ______.A solventB dissolution✓soluteDmole.AnswerCorrect option: C. solutesolventView full question & answer→
MCQ 381 MarkThe aqueous solution is:A$S$ in $CS _2$B$I _2$ in $CCl _4$✓Salt in $H _2 O$DNone of the aboveAnswerCorrect option: C. Salt in $H _2 O$View full question & answer→
MCQ 391 MarkFind out the homogeneous mixture.✓Salt + WaterBSand + WaterC Clay + WaterD Gold + Water.AnswerCorrect option: A. Salt + WaterSalt + WaterView full question & answer→