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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Old-written material, which cannot be read easily, can be read by 1 Cosmic rays 2 Ultraviolet rays 3 Infra red rays 4 None of these

1 Answers   ACIO, RRB,

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When was the first rocket launched from thumba?

0 Answers  

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Optic fibers are mainly used for which of the following? 1 Communication 2 Weaving 3 Musical instruments 4 Eye surgery

1 Answers  

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Nuclear fission is caused by the impact of 1 Proton 2 Electron 3 Neutron 4 None of these

4 Answers   Jharkhand Staff Selection Commission JSSC,

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How does common salt help in separating soap from the solution after saponification ? 1 By decreasing solubility of soap 2 By increasing solubility of soap 3 By decreasing density of soap 4 By increasing density of soap

4 Answers  

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Polythene is industrially prepared by the polymerization of 1 Methane 2 Styrene 3 Acetylene 4 Ethylene

3 Answers   Amna Industries, HFI,

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Rust is 1 A mixture of Fe2O3 and Fe(OH)3 2 A mixture of FeO & Fe(OH)2 3 Fe2O3 only 4 A mixture of Fe2O3.3H2O and Feo

2 Answers   AFMC,

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What are the points to be born in mind while eating to avoid disease?

1 Answers  

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What are pulsars?

0 Answers  

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A mixture of water and alcohol can be separated by 1 Filtration 2 Evaporation 3 Distillation 4 Decantation

4 Answers   SSC,

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What is the percent of plazma in blood?

4 Answers  

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