What is the Metabolism ?

2 Answers  

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Water is neither acidic nor alkaline because 1 It cannot accept or donate protons 2 It boils at a high temperature 3 It can dissociate into equal number of hydrogen ions 4 It cannot donate or accept electrons

2 Answers   ACIO,

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how is rrb model question paper for science junior engineer gr.II

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When an iron nail gets rusted, iron oxide is formed 1 Without any change in the weight of the nail 2 With increase in the weight of the nail 3 With decrease in the weight of the nail 4 None of these

1 Answers  

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Which of the following is not a bleaching agent? 1 Sulphur dioxide 2 Carbon dioxide 3 Sodium hypochlorite 4 Chlorine

1 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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Which of the following is a chemical change? 1 Rusting of iron 2 Tempering of iron 3 Melting of iron 4 Bending of iron

1 Answers  

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Which of the following gases is used as an illuminant in lamps used by hawkers? 1 Methane 2 Ethylene 3 Acetylene 4 Hydgrogen

3 Answers  

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The element required for solar energy conversion is 1 Germanium 2 Silicon 3 Uranium 4 None of these

2 Answers  

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define cartography?

1 Answers   ISRO,

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Bagasse, a by-product of sugar manufacturing industry, is used for the production of 1 Nylon 2 Glass 3 Paper 4 Alcohol

2 Answers  

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what are the advantages and disadvantages of empirical knowledge?

0 Answers  

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