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(2) Acetic acid

The isotope of uranium capable of sustaining chain reactions is 1 U-235 2 U-238 3 U-239 4 None of these

1 Answers  

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Atoms of an element differ from those of all other elements in 1 Atomic number and electronic configuration 2 Atomic number and number of valence electrons 3 Number of neutrons and electronic configuration 4 None of these

2 Answers  

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What are cosmic rays?

0 Answers  

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What are soaps? 1 Salts of silicates 2 Esters of heavy fatty acids 3 Sodium or potassium salts of heavier fatty acids 4 Mixture of glycerol and alcohols

2 Answers  

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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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Atom bomb is based on the principle of 1 Nuclear fusion 2 Nuclear fission 3 Both (a) & (b) 4 None of these

4 Answers   ECAT, Group 4 iv, Qnet, UPSC,

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What is the Physiology ?

3 Answers  

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How can we calculate %difference in Weighing balance?

0 Answers   Meghmani Organics,

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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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Write two characteristics of Science.

0 Answers   Mahatma Gandhi University,

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Describe the evolution of science and its impact on society

0 Answers   Mahatma Gandhi University,

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What are comets?

0 Answers  

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