Caustic soda is 1 NaC1 2 Na2CO3 3 NaOH 4 NaHCO3

4 Answers  

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what is meant by test manual?

1 Answers  

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Which of the following reactions is used for increasing the number of carbon atoms in a chain? 1 Substitution reaction 2 Wurtz reaction 3 Friedel – Crafts reaction 4 Cannizzaro’s reaction

2 Answers  

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In modern science, what is 'fourth dimension'?

0 Answers  

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Explain the role of Science for sustainable Development

0 Answers   Mahatma Gandhi University,

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Two or more forms of a chemical element having different physical properties but rising to identical chemical compounds are called 1 Allotropes 2 Isotopes 3 Isomers 4 Isotones

2 Answers  

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The difference between a nuclear reactor and an atom bomb is that 1 No chain reaction takes place in nuclear reactor while in the atomic bomb there is a chain reaction 2 No chain reaction takes place in atomic bomb while it takes place in a nuclear reactor 3 The chain reaction in nuclear reactor is controlled 4 None of these

1 Answers  

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Study of life in outer space is called A) Endobiology B) Exobiology C) Entrobiology D) Neobiology

15 Answers   Exobiology, SSC,

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When was the atomic energy regulatory board ( aerb ) constituted?

0 Answers  

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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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Brass gets discolored in air because of the presence of which of the following gases in air? 1 Carbon dioxide 2 Oxygen 3 Hydrogen sulphide 4 Nitrogen

2 Answers  

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Carbon, diamond and graphite are together called 1 Isomers 2 Allotropes 3 Isomorphs 4 Isotopes

3 Answers   Sri Chaitanya,

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