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Which of the following metals react with nitrogen at room temperature to form nitride? 1 Sodium 2 Potassium 3 Magnesium 4 None of these

3 Answers  

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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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The location and energy of an electron in an atom can be specified by 1 Atomic mass 2 Atomic number 3 Quantum numbers 4 None of these

1 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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what is the full form of facebook

1 Answers  

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Combustion is the process in which 1 Heat is produced 2 Light is produced 3 Heat and light are produced 4 None of these

1 Answers  

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In which of the following processes light energy is converted into chemical energy? 1 Respiration 2 Fermentation 3 Photosynthesis 4 Photoresiration

2 Answers  

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Which is the research reactors of bhabha atomic research centre?

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Which of the following materials are used for preparing blur-black ink? 1 Gallic acid 2 Tannic acid 3 Ferrous sulphate 4 All of these

3 Answers   IOCL,

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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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why nitrogen is about 70%(i.e.)highest percentage in environment

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The rate of chemical reaction does not depend upon 1 Concentration 2 Catalyst 3 Temperature 4 Pressure

1 Answers  

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