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(4) Diamond is the hardest, graphite is the softest

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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Amalgams are 1 Alloys which contain carbon 2 Alloys which have great resistance to abrasion 3 Alloys which contain mercury as one of the contents 4 None of these

2 Answers  

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Which synthetic fiber is known as artificial silk? 1 Cotton 2 Rayon 3 Terylene 4 Nylon

4 Answers   HCL,

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Bleaching powder is made from 1 Sulphur dioxide and gypsum 2 Chlorine and charcoal 3 Soda ash and lilme 4 Lime and chlorine

2 Answers  

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What is the work of a patent engineer? Does the experience in working as patent engineer helps in finding a job in a refinery?

1 Answers  

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How can i describe the blood?

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there are 3 sources of resistance in a parallel circuit's. 2 of them are rated at 20 ohms, the other at 10 ohms. what is the circuit's total resistance?

2 Answers  

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Deep blue color is imparted to glass by the presence of 1 Iron oxide 2 Cupric oxide 3 Nickel oxide 4 Cobalt oxide

2 Answers  

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When a person sends a message to someone with the Internet, there are steps that happen to the recipient to receive the message. How does the recipient know that the message was not edited by someone else?

0 Answers  

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WHAT IS AMBER

2 Answers   CSIR,

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Which of the following gases is obtained by the reaction of copper with dilute nitric acid is 1 NO2 2 N2O5 3 O2 4 NO

1 Answers  

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need for proper earthing

2 Answers  

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