Chemistry Chapter wise Weightage Class 12 HSC. We covered all the Chemistry Chapter wise Weightage Class 12 HSC in this post for free so that you can practice well for the exam.
Install our MCQTUBE Android app from the Google Play Store and prepare for any competitive government exams for free.
These types of competitive MCQs appear in the exams like MHT-CET, NEET, JEE (Mains), and other Competitive Examinations, etc. We created all the competitive exam MCQs into several small posts on our website for your convenience.
You will get their respective links in the related posts section provided below.
Related Posts:
Chemistry Chapter wise Weightage Class 12 HSC Objective for Students
The increase in equivalent conductance of a weak electrolyte with dilution is due to
(A) an increase in the degree of dissociation and an increase in ionic mobility
(B) an increase in the degree of dissociation and a decrease in ionic mobility
(C) a decrease in the degree of dissociation and an increase in ionic mobility
(D) All of these
Option a – an increase in the degree of dissociation and an increase in ionic mobility
Electrolytes can conduct electricity because
(A) The molecules contain unpaired electrons which are mobile.
(B) Their molecules contain loosely held electrons which get free under the influence of voltage.
(C) The molecules break up into ions when a voltage is applied.
(D) The molecules are broken up into ions when the electrolyte is fused or dissolved in the solvent.
Option d – The molecules are broken up into ions when the electrolyte is fused or dissolved in the solvent
The conductance of 1 cm³ of a solution is its
(A) Specific conductance
(B) Equivalent conductance
(C) Molar conductance
(D) Resistance
Option a – Specific conductance
Which of the following does not conduct electricity?
(A) Crystalline NaCl
(B) CuSO4
(C) Graphite
(D) NaCl crystal having a defect
Option a – Crystalline NaCl
The reaction is spontaneous if the cell potential
(A) positive
(B) Negative
(C) Zero
(D) Infinite
Option a – positive
Which aqueous solution will not have an electric current?
(A) Glycerol
(B) Glycol
(C) Hydrochloric acid
(D) Pure water
Option c – Hydrochloric acid
Strong electrolytes are those that
(A) Dissolve readily in water
(B) Conduct Electricity
(C) Dissociate into ions
(D) Completely dissociate into all dilutions
Option d – Completely dissociate into all dilutions
Electrochemistry is a branch of physical science that studies about
(A) Physical change
(B) Chemical change
(C) Chemical and electrical change
(D) Mechanical change
Option c – Chemical and electrical change
Electrolysis involves oxidation and reduction respectively at
(A) Anode and cathode
(B) Cathode and anode
(C) At both electrodes
(D) None of the above
Option a – Anode and cathode
Electrolytes when dissolved in water dissociate into ions because
(A) They are unstable
(B) The water dissociates it
(C) The force of repulsion increases
(D) The force of electrostatic attraction is broken down by water.
Option d – The force of electrostatic attraction is broken down by water
The flow of current in an electrolyte is due to the movement of
(A) Electrons
(B) Ions
(C) Protons
(D) Molecules
Option b – Ions
Pure water does not conduct electricity because it
(A) Is neutral
(B) Is readily decomposed
(C) Has a low boiling point
(D) is almost totally unionized.
Option d – is almost totally unionized
We covered all the chemistry chapter wise weightage class 12 hsc above in this post for free so that you can practice well for the exam.
Check out the latest MCQ content by visiting our mcqtube website homepage.
Also, check out:
