Which of the following metals can displace zinc from a solution of zinc sulphate? 1 Lead 2 Magnesium 3 Iron 4 Mercury

2 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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The gas that usually causes explosions in coal mines is 1 Hydrogen 2 Carbon monoxide 3 Air 4 Methane

8 Answers   BCECE, UPSC,

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The chemical (ethyl merceptan) added to the otherwise odorless LPG cooking gas for imparting a detectable smell to the gas is a compound of 1 Sulphur 2 Fluorine 3 Chlorine 4 Bromine

2 Answers  

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Papepr is manufactured by 1 Wod and resin 2 Wood, sodium and bleaching powder 3 Wood and bleaching powder 4 Wood, calcium, hydrogen sulphite and resin

1 Answers  

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When was the first american rocket launched?

0 Answers  

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Monazite is an ore of 1 Iron 2 Titanium 3 Thorium 4 Zirconium

1 Answers  

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What is the Taxonomy ?

2 Answers  

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Explain how you can integrate Life skills in Science Teaching

0 Answers   Mahatma Gandhi University,

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What are all of the uses for a dynamo?

1 Answers  

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Why is it necessary to cook food ?

1 Answers  

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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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