Surface chemistry MCQ Quiz When temperature is lowered and pressure is raised, the adsorption of a gas on a solid increases remain unaffected decreases first then increases Decreases Continue >> Q.In adsorption, rate of physisorption increases when- None of these Pressure is decreased Temperature is decreased Temperature is increased Continue >> Q.Activated charcoal is used to remove colouring matter from pure substance. it works by Bleaching Adsorption reduction Oxidation Continue >> Q.Wood charcoal is used to decolorize sugar because it Reduces coloured material Adsorbs coloured material Absorbs decolorized material none of these Continue >> Q.A solid act as adsorbent because it has unsaturated valencies small pores in it a high lattice energy a definite shape Continue >> Q.When temperature is raised, the viscosity of liquid decreases, this is because Decreased volume of the solution Increased attraction between molecules Decreased attraction between molecules Decreased Covalent and hydrogen bond Continue >> Q.In adsorption of oxalic acid on activated charcoal, the activated charcoal is known as Absorbent Adsorbent Adsorber Absorbe Continue >> Get More Quiz Your first name : Your email address : Show my results >> Please share this quiz to view your results . Facebook Toggle embed code Powered by WP Quiz Pro PLAY AGAIN !