Which of the following gases is lighter than air? 1 Carbon dioxide 2 Oxygen 3 Ammonia 4 Chlorine

5 Answers  

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Potassium nitrate is used in 1 Salt 2 Glass 3 Fertilizer 4 Medicine

2 Answers  

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The gas usually filled in the eletric h\bulb is 1 Hydrogen 2 Oxygen 3 Nitrogen 4 Carbon dioxide

2 Answers  

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At which place will second centre of the indian institute of science be opened?

4 Answers  

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Wood is the main raw material for the manufacture of 1 Paint 2 Paper 3 Ink 4 Gun powder

5 Answers   Jharkhand Staff Selection Commission JSSC, RRB,

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Which of the following elements is obtained from sea weeds? 1 Argon 2 Sulpur 3 Vanadium 4 Iodine

1 Answers   Argon, Iodine,

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we know in mathematics that a matrix is an arrangement (array) of different elements , memebers . Then, how does the movie "Matrix" relate with this concept. In movie "Matrix" we have seen that it shown a war between machines & humans. And we know to operate machines we need code like 0 1 & 1 0 . How ? explain ?

0 Answers  

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Which of the following substances undergoes chemical change on heating? 1 Sodium chloride 2 Silica 3 Lead nitrate 4 Platinum wire

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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In fireworks, the green flame is produced because of 1 Mercury 2 Sodium 3 Potassium 4 Barium

1 Answers  

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The chemical used as a ‘fixer’ in photography is 1 Borax 2 Sodium thiosulphate 3 Sodium sulphate 4 Ammonium persulphate

1 Answers   SSC,

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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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