What are cosmic rays?

0 Answers  

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When and where was the first experimental atomic explosion took place?

0 Answers  

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Which of the following minerals has the lower numerical hardness value? 1 Talc 2 Gypsum 3 Apatite 4 Topaz

3 Answers  

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Of the following metals which, one pollutes the air of a big city? 1 Copper 2 Chromium 3 Lead 4 Cadmium

3 Answers   HCL, High Court, SSC,

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atoms are composed of Electrons & Protons or Electrons & Protons ?

3 Answers  

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is there any instrument to convert mechanical energy into electrical energy

5 Answers  

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Which of the following is not a chemical reaction? 1 Burning of paper 2 Digestion of food 3 Conversion of water into steam 4 Burning of coal

1 Answers   NTS,

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PVC is obtained by the polymerization of 1 Propene 2 Vinyl chloride 3 Styrene 4 Acetylene

2 Answers  

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If today is Saturday what day will it be from 500 days?

7 Answers   eClerx,

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Actinides are the elements with atomic numbers from 1 36 to 43 2 89 to 103 3 97 to 114 4 101 to 115

1 Answers  

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Mesons are found in 1 ?-rays 2 Laser beam 3 X-rays 4 Cosmic rays

3 Answers   ABC, Indian Army, JSSC,

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Which of the following is a chemical change? 1 Oxidation 2 Reduction 3 Sublimation 4 Decomposition

2 Answers  

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