What is one light year?

0 Answers  

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Which are the important pulsating nebulae?

0 Answers  

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In which year, atmospheric observations using balloons started?

0 Answers  

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Which of the following is not a chemical reaction? 1 Burning of paper 2 Digestion of food 3 Conversion of water into steam 4 Burning of coal

1 Answers   NTS,

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‘No two electrons in an atom can have the same set of four quantum numbers’ is 1 Bohr’s law 2 Aufbau principle 3 Newton’s law 4 Pauli’s exclusion principle

1 Answers   Pipe Corporation,

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Carbon tetrachloride fire extinguisher should not be used in closed rooms, because it produces a poisonous gas called 1 Carbon monoxide 2 Phosphine 3 Phosgene 4 None of these

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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What are the aluminium alloys that you supply?

1 Answers   Hyundai,

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the colour of a star is an indication of its?

2 Answers  

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What are cosmic rays?

0 Answers  

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What is the cytology ?

4 Answers  

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which country is known as thunderbolt in the world

1 Answers   CAT,

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