Chemistry questions
29404 published questions with worked solutions.
- Which of the following represents process of passivation?
- A half-cell reaction is one that ________
- Solution of NaCl conducts electricity, therefore NaCl is ________
- Corrosion is basically a/an ________
- Process of galvanization is present in which metal?
- NaOH is manufactured by the electrolysis of brine (NaCl) solution, the products of the reaction are _______
- Which of the following indicates corrosion?
- The factor which is NOT affecting the conductivity of any solution is _________
- During rusting of iron, it gets ________
- The most durable metal plating on iron to protect against corrosion is ________ plating
- A Dry cell is also known as _______ cell
- According to electrochemical theory of corrosion, metal undergoing corrosion acts as _________
- Which of the following is INCORRECT about an oxidising agent?
- The study of electrochemistry is totally dependent on the concept of _______
- Conductivity of a solution is directly proportional to _____
- _ ClCH_2COONa = 224 ohm^ -1 ,cm^2 ,gm ,eq^ -1 , _ NaCl = 38.2 ohm^ -1 ,cm^2 ,gm ,eq^ -1 , _ HCl = 203 ohm^ -1 ,cm^2 ,gm ,eq^ -1 ....
- The molar conductivities ^ _ NaOAc and ^ _ HCl at infinite dilution in water at 25^ are 91.0 and 426.5 cm^2/mol respectively. To...
- A conductivity cell having cell constant 8.76 cm^ -1 is placed in 0.01 M solution of an electrolyte offered a resistance of 1000...
- Which of the following is NOT a non electrolyte?
- The two electrodes of platinum fitted in a conductance cell are 1.5 cm apart while the area of cross section of each electrode is...