Answer / guest

(2) H2F2

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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what are the sociological theories apply in pakistani society?

1 Answers  

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Glass is made of the mixture of 1 Quartz and mica 2 Sand and salt 3 Sand and silicates 4 None of these

2 Answers   DRDO,

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Science is both a process and product-Substantiate

0 Answers   Mahatma Gandhi University,

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Which of the following is used as a lubricant? 1 Graphite 2 Silica 3 Diamond 4 Iron oxide

3 Answers   Honda,

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what are the advantages of interrupt and exception?

3 Answers   Disha Tech,

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difference between ancient age,middle age & modern age.

6 Answers   Ranbaxy,

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how is electricity converted from the potential energy of water falling from dams?

3 Answers   HLL, KIH, Reliance,

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methane is not present in

3 Answers   Stenographer,

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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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define cartography?

1 Answers   ISRO,

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Water is neither acidic nor alkaline because 1 It cannot accept or donate protons 2 It boils at a high temperature 3 It can dissociate into equal number of hydrogen ions 4 It cannot donate or accept electrons

2 Answers   ACIO,

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