Which of the following is not a method to test the type of emulsion?
Which of the following is an example of an emulsifier?
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What is the process called when the molecules of a substance are retained at the surface of a solid or a liquid?
Which of the following can result in a transition from physisorption to chemisorption?
Which of the following statements is true with respect to the types of adsorption?
Which of the following statements is not true with respect to chemisorption?
Which of the following statements is incorrect with respect to physisorption?
Which of the following statements is true with respect to the extent of physisorption?
Which of the following forces is involved in physical adsorption?
The rate constant of a reaction is k=3.28 × 10-4 s-1. Find the order of the reaction.
What is the concentration of the reactant in a first order reaction when the rate of the reaction is 0.6 s-1 and the rate constant is 0.035?
What is the rate law for acid hydrolysis of an ester such as CH3COOC2H5 in aqueous solution?
For the reaction A + H2O → products, find the rate of the reaction when [A] = 0.75 M, k= 0.02.
For a reaction A +B → C, the experimental rate law is found to be R=k[A]1[B]1/2. Find the rate of the reaction when [A] = 0.5 M, [B] = 0.1 M and k=0.03.
How many times will the rate of the elementary reaction 3X + Y → X2Y change if the concentration of the substance X is doubled and that of Y is halved?
What is the rate law for the reaction C2H4 + I2 → C2H4I2?
What is the method of protection of iron by coating it with zinc called?
Which of the following is not a method of prevention of corrosion?
Which of the following is not essential for rusting to take place?
Which of the following does not cause rusting of iron?
Which of the following statements regarding corrosion is true?
Which of the following is the overall reaction of rusting?
What is the product formed at the cathode in the electrolysis of molten NaCl?
What is the product formed at the cathode in the electrolysis of aqueous CuSO4?
What is the electrolyte used in the electroplating of gold?
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