BANK OF MCQs

CHAPTER NO.12 ELECTROCHEMISTRY 1.          weak electrolyte in solution is a. completely ionizeda b. slightly ionized c. never ionized d. destroyed B 2.          strong electrolyte in solution is a. completely ionized b. slightly ionized c. never ionized d. destroyed A 3.          which one of the following is strong electrolyte in solution is a. ammonium hydroxide b. carbonic acid c. potassium iodide d. acetic acid A 4.          the cathode has a charge a. positive b. negative c. neutral d. zero B 5.          the cations has a charge a. positive b. negative c. neutral d. zero A 6.      ...

Chap No. 12 ELECTROCHEMISTRY 1.       The branch of chemistry that deals with the inter-conversion of the chemical changes and electricity is called electrochemistry. 2.       The flow of current in metals are due to flow of electrons. 3.       The passage of electricity through solutions of acids, bases and salts in accompanied by a chemical change. 4.       The substance which in solution or in molten state conducts electricity is called an electrolyte named by Arhenius. 5.       The substance which completed converted into ions in the solution or in molten state is called a strong electrolyte. 6.       The substance which is partially dissociated into its ions is called weak electrolyte. 7.       Electrolytic conduction or electrolysis is a phenomenon in which chemical changes takes place due to ...