Q.1 State
a. Principle on which Electric Motor work
b. Fleming’s right hand rule
c. Modern Periodic Law
Q.2 Derive Joule’s Law of heating with the help of diagram ?
Q.3 Balance the following equation.
a. NaOH+H2SO4-- > Na2SO4+H2O
b. KClO3 ----> KCl +O2.
Q.4 Write answers of the following.
a. What is redox reaction? Give one example?
b. Why tungsten metal is used to make a solenoid type coil in an electric
bulb?
c. What do you understand by the terms
(1) Free fall, (2) Escape Velocity?
Answers
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Answer:
2NaOH+H2SO4=Na2SO4+2H2O
2KClO3=2KCl+3O2
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