Chemistry MCQ on Electrical Conductors for NEET, JEE, Medical and Engineering Exam 2021

MCQ on Electrical Conductors: Chemistry is considered to be the most scoring subject in NEET JEE Exam. As it is one of the easiest scoring subjects, it is often ignored and undermined a subject. But if you want to get an edge over others, here is a tip, master NEET/JEE Chemistry concepts. Chemistry demands the attention of students in understanding reactions and concrete basic understanding but once done it only gets easier from there. Mastering NCERT syllabus for NEET/JEE Chemistry should be topping your list of to-do for chemistry.

MCQ on Electrical Conductors

In this post we are providing you MCQ on Electrical Conductors, which will be beneficial for you in upcoming NEET, JEE, Medical and Engineering Exams.

MCQ on Electrical Conductors

Q1. When acids dissolve in water it releases _______.
a) H+ ion
b) H ion
c) H3O+ ion
d) H3O2+ ion

View Answer

a) H+ ion

Q2.When temperature increases the conductance of conductors is _______.
a) Increase
b) Decrease
c) Remains constant
d) First increase and then decrease

View Answer

b) Decrease

Q3. One litre of 0.5M KCl solution is electrolysed for one minute in a current of 16.08 mA. Considering 100% efficiency, the pH of the resulting solution will be _______.
a) 6
b) 7
c) 8 
d) 9

View Answer

c) 8

Q4. Semiconductors have electrical conductivity _______.
a) Equal to the thermistor
b) More than metals but less than insulators
c) Less than thermistor but more than an insulator
d) Less than metals but more than typical insulators

View Answer

d) Less than metals but more than typical insulators

Q5. Ostwald’s dilution law is applicable to _______.
a) Non-electrolytes
b) Strong electrolytes only
c) Weak electrolytes only
d) Strong as well as weak electrolytes

View Answer

c) Weak electrolytes only

Q6. In the titration of iodine against hype the indicator used is _______.
a) Starch
b) Methyl Red
c) Methyl Orange
d) Potassium Ferricyanide

View Answer

a) Starch

Q7. If a conductor length is increased, 100% then keeping all other parameters fixed, what will be the increase in power dissipate?
a) 100%
b) 200%
c) 300%
d) 400%

View Answer

b) 200%

Q8. Which element is always present in Arrhenius acid
a) Oxygen
b) Nitrogen
c) Hydrogen
d) None of the above

View Answer

c) Hydrogen

Q9. What happens to the conductivity of semiconductors when there is an increase in temperature?
a) Increase
b) Decrease
c) Remains constant
d) First increase and then decrease

View Answer

a) Increase


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