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7th Unit

10th class General Science Ch 7 (English Medium)

Here you can prepare 10th General Science chapter 7 online MCQ test with answers (Unit 7 Chemical reactions and their Practical Applications). Click the button for 100% free full practice test.

Matric Part 2/10th Class General Science Chapter 7 MCQ Test With Answer for Unit 7(Chemical reactions and their Practical Applications)

Matric Part 2/10th Class General Science Chapter 7 MCQ Test With Answer for Unit 7(Chemical reactions and their Practical Applications)

Sr. # Questions Answers Choice
1 The constant in Ohm's law is.
  • A. Current
  • B. Resistance
  • C. Potential difference
  • D. Charge
2 The working principle of transformer:
  • A. Electromagnetic conduction 
  • B. Electrostatic induction 
  • C. Electric charge 
  • D. Neutralization 
3 Which of the following is an neutral particle?
  • A. Electron 
  • B. Proton 
  • C. Neutron 
  • D. Alpha particle
4 The SI unit of resistence.
  • A. Ampere
  • B. Volt
  • C. Hertz
  • D. Ohm
5 The potential of the neutral wire is.
  • A. Zero
  • B. +220 volts
  • C. 220 volts
  • D. Changing
6 The energy produced by the breakdown of chemical bond between atoms:
  • A. Light energy  
  • B. chemical energy 
  • C. electrical energy 
  • D. kinetic energy 
7 Multi - meter is an instrument which can be used to measure:
  • A. Current 
  • B. Potential difference 
  • C. all of the above 
  • D. Resistance 
8 Which circuits carry currents to the lights heaters and other appliances:
  • A. parallel circuits 
  • B. series circuits 
  • C. common circuits  
  • D. All of the above
9 Ammeter is always connected with a circuit in.
  • A. parallal
  • B. Series
  • C. Both a and b
  • D. None of these
10 The device used for turning a circuit ON or OFF is.
  • A. Switch
  • B. Fuse
  • C. Circuit breaker
  • D. Earth wire

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