How many colours the sunlight spectrum has ? 1 Five 2 Three 3 Seven 4 Nine

2 Answers   Siscom,

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Which of the following types of photons has the highest energy? 1 Visible radiations 2 Radio waves 3 Gamma rays 4 X-rays

3 Answers  

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The metallic constituents of hard water are 1 Magnesium, calcium and tin 2 Iron, tin and calcium 3 Calcium, ,magnesium and iron 4 None of these

1 Answers  

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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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Activity of an enzyme can be modulated by change of [a] pH [b] Light [c] Humidity [d] Rainfall

1 Answers   SSC,

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first aid to person affected with electrical shock

0 Answers  

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The Purest form of water can be obtained from:- I) a deep tube well II) a running stream III) a hot water spring IV) a heavy shower of rain

0 Answers  

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In which type of rocks re metals like gold and copper mostly found? 1 Old igneous 2 Old sedimentary 3 Old metamorphic 4 New metamorphic

3 Answers  

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exactly how does an RTD 3 wire or 4 wire device cancel out the resistance of the wires , opposed to a 2 wire RTD? Is it because you have resistors in parallel , or because something to do with the electronic circuit the RTD is connected to ?

0 Answers  

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Carbon, diamond and graphite are together called 1 Isomers 2 Allotropes 3 Isomorphs 4 Isotopes

3 Answers   Sri Chaitanya,

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Titanium is purified by 1 Zone refining 2 Electrolysis 3 Van Arkel method 4 Hydraulic washing

4 Answers  

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Which metal is used for Galvanisation of iron?

13 Answers   ncert, TCS, TNPSC Tamil Nadu Public Service Commission,

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