General Science MCQ – 52 (Chemistry)

chemistry, physics, biology

Dear Aspirants,

General Science MCQs including Physics, Chemistry, Biology. This help is General Eligibility Test like Entrance Exam, Sainik School, NDA, Army, All India Competitive exam, and All HP Exams. You can also play our weekly quiz and download all quizzes PDF as well.

1. With a rise in temperature, the resistance of semiconductors?
(A) Decreases
(B) Increases
(C) First, increase and then decrease
(D) Remains constant

2. The resistance of a conductor varies inversely?
(A) Length
(B) Area of cross-section
(C) Temperature
(D) Resistivity

3. As temperature increases electrolytic conduction?
(A) Decreases
(B) Increases
(C) Remains constant
(D) None of the above

4. The element with the highest conductivity is?
(A) Gold
(B) Silver
(C) Copper
(D) Platinum

5. The reciprocal of electrical resistance is?
(A) Voltage
(B) Current
(C) Conductance
(D) None of the above

6. Good conductors have many loosely bound?
(A) Atom
(B) Protons
(C) Molecules
(D) Electrons

7. In order to measure current in a resistance present in a circuit, the ammeter is connected?
(A) In series
(B) In parallel
(C) In series or parallel
(D) Nothing can be decided

8 The reciprocal of resistivity of a conductor is?
(A) Conductance
(B) Capacitance
(C) Conductivity
(D) None of the above

9. The SI unit of specific resistance is?
(A) ohm m
(B) ohm/m
(C) ohm/m2
(D) (ohm)-1

10. The unit of conductance cannot be expressed in?
(A) mho
(B) (ohm)-1
(C) Siemens
(D) ohm/m

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