Which of the following metals can displace hydrogen from dilute acids? 1 Zinc 2 Gold 3 Copper 4 Silver

1 Answers   Petit Seminaire,

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is there any instrument to convert mechanical energy into electrical energy

5 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 compound because 1 It exists as a solid, a liquid or a gas 2 It contains hydrogen and oxygen 3 It contains two different elements joined by chemical bonds 4 It cannot be split up into simpler substances by chemical means

1 Answers  

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is the big bang theory correct, because as I wondered the explosion is too powerful that no one could survive after galaxies were created no life exist on it after the 3.5 billion years life exist so... my question is were is the life came from?

0 Answers  

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1.what is a pasacline?who invented it? 2.who was the first man to go into space?

1 Answers  

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The metallic constituents of hard water are 1 Magnesium, calcium and tin 2 Iron, tin and calcium 3 Calcium, ,magnesium and iron 4 None of these

1 Answers  

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Which gas is used in cold store ?

4 Answers   Tumkur University,

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Which is india’s primary nuclear facility?

0 Answers  

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what are the sociological theories apply in pakistani society?

1 Answers  

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difference between typewriter and computer?

2 Answers   ISRO,

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BARC CHIF

0 Answers  

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