Answer / guest

(1) Na2Sio3

Answer / hasan

na2sio3

Answer / malaya hota

Na2SiO3

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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Which of the following fibers is least prone to fire? 1 Rayon 2 Nylon 3 Cotton 4 Terycott

2 Answers  

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Which of the following is not a chemical reaction? 1 Burning of paper 2 Digestion of food 3 Conversion of water into steam 4 Burning of coal

1 Answers   NTS,

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Which of the following acids is used for ‘etching glass’? 1 HBrO3 2 H2F2 3 HCIO4 4 HIO4

1 Answers  

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Which is the most famous comet?

0 Answers  

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Explain the Evolution of Science as a discipline in the Medieval Period

0 Answers   Mahatma Gandhi University,

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What are different constituents of food? Explain

14 Answers   College School Exams Tests, DHMCT, HCL,

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The element required for solar energy conversion is 1 Beryllium 2 Silicon 3 Tantalum 4 Ultra pure carbon

2 Answers   SSC,

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Study Of Life in outer space is known As

5 Answers  

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Which of the following is a chemical change? 1 Oxidation 2 Reduction 3 Sublimation 4 Decomposition

2 Answers  

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In which year was the meteorology department founded?

0 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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