The filament of an electric bulb is made of 1 Iron 2 Nichrome 3 tungsten 4 Graphite

9 Answers   Germanium, Google, Graphite India, Tungsten,

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1.how many bones are there in our human body? 2.who invented the aeroplane? 3.the full form for h2o is water 4.the name which is heavier is gold 5.name the symtom which is to cure for night blindness?

2 Answers  

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WHATE COLOUR OF STAR;SIZE;

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Who is the oldest cosmonaut?

0 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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what is the full form of facebook

1 Answers  

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The material used for bleaching paper pulp is 1 Chlorine 2 Caustic soda 3 Sodium hypochlorite 4 Lime

2 Answers  

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What are vitamins ? describe different kinds of vitamins

1 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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Soap is a mixture of sodium or potassium salts of 1 Monocarboxylic acids 2 Glycerol’s 3 Dicarboxylic acids 4 Tricarboxylic acids

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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Water is a good solvent of ionic salts because 1 It has no colour 2 It has a high boiling point 3 It has a high dipole moment 4 It has a high specific heat

1 Answers  

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