Surface Chemistry

Identify the term used to describe movement of colloidal particles under applied electric potential without using semipermeable membrane.

In Haber process of production of ammonia $\text{Al}_2\text{O}_3$ is used as

Which of the following properties of colloid is used to measure the rate of migration of sol particles?

Which of the following ranges of particle size defines nano scale ?

Which of following forces is responsible for physisorption ?

Which from following anions has greater power for coagulation of positive sol?

Which of the following is an example of macromolecular colloid?

Which from following is NOT an example of oil in water emulsion?

Identify a nanomaterial having all three dimensions less than 100 nm?

Identify colour change when NaCl solution is titrated against $\text{AgNO}_3$ solution using fluorescein indicator.

Which of the following properties is responsible for the development of colour to the colloids?

What is the role of glycerol in the decomposition of hydrogen peroxide?

Match List I with List IIList IList II(A). Brownian Motion(I). Removal of impurities from the colloidal sols using a semipermeable membrane.(B). Tyndall Effect(II). Movement of colloidal particles under the influence of an electric field.(C...

Which of the following exhibits the minimum coagulating power for precipitating of positively charged ferric oxide sol ?

Which of the following is applicable to thin film?

Identify the correct statement regarding lyophilic colloid from the following.

Which of the following statements is correct for the spontaneous adsorption of a gas?

Identify the dimensional nature of nanoparticles by the following.

Which of the following is a water-in-oil type of emulsion?

Which of the following assertions about the extent of physisorption is correct?

Identify the gas adsorbed by solid to the largest extent at their respective critical temperature.

Which of the following nanomaterial has all the three dimensions $< 100$ nm?

Which of the following is NOT a characterstic of chemisorption?

Which among the following gases is least adsorbed on solid at similar conditions of temperature and pressure?

Identify the technique used to know binding nature of nanomaterials?

Which instrument is used for determination of particle size?

Find the temperature from following graph so that highest amount of a gas is adsorbed

Which from following substances is classified as macromolecular colloid?

Which from following is classified multimolecular colloid?

Which from following metal nanoparticle is used for coating the filter material that acts as effective bacterial disinfectant?

What type of colloid is fog?

Which from following metal nanoparticle is used for coating the filter material that acts as effective bacterial disinfectant?

Which from following process does NOT results in coagulation?

Identify the catalyst used in following reaction at $500^{\circ} \mathrm{C}$ ?
\(\mathrm{CO}+\mathrm{H}_2 \mathrm{O} \rightleftharpoons \mathrm{CO}_2+\mathrm{H}_2\)

Which of the following ion exihibits maximum power of coagulation for positively charged Sol ?

Identify the property of colloidal solutions so that colloidal particles move freely towards respective electrodes under an applied electrical potential.

Which from following represents the Freundlich's empirical equation for adsorption of gas on solid (for $\mathrm{n}>1$ )?

Identify sequential reactions involved in Sol-Gel process.

Which of the following is not negatively charged sol?

Which from following gases is adsorbed to greater extent if adsorbent remains same at similar conditions of temperature and pressure?

Match column I (process) with column II (application)

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Identify example of sorption from following.

What type of colloid is milk?

Which from following anions has maximum coagulating power for precipitation of positive sol?

Which from following statements is NOT true about lyophilic colloids?

Identify a zero dimensional nano structure from following

Which from following anions has lowest coagulating power for precipitation of positive sol?

Which from following is an example of multimolecular colloids?

Which is NOT an example of macromolecular colloid?

Which of the following is an example of heterogenous catalysis?