10GKQuestions and answers for class 8to 9th

   10GKQuestions and answers for class 8to 9th 

  1)what is number of planets revolves around the sun?

  A:Eight (Pluto was considered to be ninth planet)

  2)which is the unit of Pressure?

  A:Newton per square meter. 

  3)the mass of atmospheric Pressure is 1cm²on one's body is?

  A:10kgs.

4)what types of quantity is Pressure is?

  A:Scaler quantity. 

   5)Instrument Electricals energy converted into Sound energy is?

  A:microphones 

   6)what is total percentage of CO²,water vapour and inert gases in air?

  A:1%(oxygen 21%+Nitrogen 78%)

  7)which of the gases causes acidic rain?

  A:Nitrogen dioxide and Sulphur dioxide flows from industrial plants. 

  8)How many Isotopes hydrogen have?

  A:hydrogen have Three Isotopes:1H1,2H1,3H1.

9)which medicine tablets used for Typhoid germs .

  A:Choromycetin

  10)the disease caused by bite of dog,monkeys,rabbits is?

  A:Rabies 


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