Answer / av

there should isolation b/w ur boby and earth.

methane is not present in

3 Answers   Stenographer,

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Which of the following gases is used as an illuminant in lamps used by hawkers? 1 Methane 2 Ethylene 3 Acetylene 4 Hydgrogen

3 Answers  

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In which year, atmospheric observations using balloons started?

0 Answers  

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Nuclear fission is caused by the impact of 1 Proton 2 Electron 3 Neutron 4 None of these

4 Answers   Jharkhand Staff Selection Commission JSSC,

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What is range of sagarika?

0 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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Of the following metals which, one pollutes the air of a big city? 1 Copper 2 Chromium 3 Lead 4 Cadmium

3 Answers   HCL, High Court, SSC,

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Find the odd one: 1 Marble 2 Chalk 3 Limestone 4 Slaked lime

2 Answers  

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Heavy water is 1 Sea water (H2O+Salt) 2 D2O 3 H2O2 4 None of these

3 Answers  

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What is the significance of international geo - physical year?

0 Answers  

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Two or more forms of a chemical element having different physical properties but rising to identical chemical compounds are called 1 Allotropes 2 Isotopes 3 Isomers 4 Isotones

2 Answers  

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The filament of an electric bulb is made of 1 Iron 2 Nichrome 3 tungsten 4 Graphite

9 Answers   Germanium, Google, Graphite India, Tungsten,

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