Surface Chemistry questions
622 published questions with worked solutions.
- An emulsifier is a substance whichNot in JEE Main or NEET syllabus
- When a sulphur sol is evaporated, sulphur is obtained. On mixing this sulphur with water, a sulphur sol is not re-formed. The sol...Not in JEE Main or NEET syllabus
- Which of the following is a lyophobic colloidal solution?Not in JEE Main or NEET syllabus
- Which one of the following will have the highest coagulating power for As _2 S _3 colloid?Not in JEE Main or NEET syllabus
- The simplest way to check whether a system is a colloid, is byNot in JEE Main or NEET syllabus
- The fresh precipitate can be transformed into colloidal state byNot in JEE Main or NEET syllabus
- The gold numbers of some colloidal solutions are given below: Colloidal solution A: 0.01, Colloidal solution B: 2.5, Colloidal...Not in JEE Main or NEET syllabus
- Bleeding due to a cut can be stopped by applying ferric chloride solution in the laboratory. This is due toNot in JEE Main or NEET syllabus
- Fog is a colloidal solution ofNot in JEE Main or NEET syllabus
- Which of the following is not an emulsion?Not in JEE Main or NEET syllabus
- Lyophilic sols areNot in JEE Main or NEET syllabus
- Which of the following is the best protective colloid?Not in JEE Main or NEET syllabus
- The basic principle of Cottrell's precipitator isNot in JEE Main or NEET syllabus
- The number of moles of lead nitrate needed to coagulate 2 moles of colloidal [ AgI ] I ^- isNot in JEE Main or NEET syllabus
- Select the wrong statement. If a very small amount of AlCl _3 is added to gold sol,Not in JEE Main or NEET syllabus
- Colour of colloids depends on which of the following factors?Not in JEE Main or NEET syllabus
- When dilute aqueous solution of AgNO _3 (excess) is added to KI solution, a positively charged sol of AgI is formed due to...Not in JEE Main or NEET syllabus
- Which of the following cannot form micelles?Not in JEE Main or NEET syllabus
- The density of gold is 19 g/cm³. If 1.9 10^ -4 g of gold is dispersed in 1 L of water to give a sol having spherical gold...Not in JEE Main or NEET syllabus
- On adding 1 mL of a 10% solution of NaCl to 10 mL of gold sol in the presence of 0.25 g of starch, the coagulation is just...Not in JEE Main or NEET syllabus
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Alcohols, Phenols and EthersAldehydes, Ketones and Carboxylic AcidsAlternating CurrentAminesAnatomy of Flowering PlantsAncient Indian HistoryAnimal KingdomApplication of DerivativesArea Under CurveAromatic Compounds and Aryl HalidesAtomsBasic Mathematics and LogarithmBinomial TheoremBiodiversity and ConservationBiological ClassificationBiomoleculesBiotechnology and Its ApplicationsBiotechnology: Principles and ProcessesBody Fluids and CirculationBreathing and Exchange of GasesCell Cycle and Cell DivisionCell: The Unit of LifeChemical Bonding and Molecular StructureChemical Coordination and Integration