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(3) Burning of sulphur

Permanent hardness of water may be removed by the addition of 1 Alum 2 Sodium carbonate 3 Lime 4 Potassium permanganate

3 Answers   SSC,

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Heavy water is 1 Tritium oxide 2 Deuterium oxide 3 Rain water 4 None of these

2 Answers  

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What is practical frequency. ? How create a frequency band?

0 Answers   Student,

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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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What is super nova?

0 Answers  

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172.116.0.0 is a private address - for 120 subnets how many bits does one borrow from the HOST bits

0 Answers  

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Rust is 1 A mixture of Fe2O3 and Fe(OH)3 2 A mixture of FeO & Fe(OH)2 3 Fe2O3 only 4 A mixture of Fe2O3.3H2O and Feo

2 Answers   AFMC,

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Name any two modern branches of Physical Science

0 Answers   Mahatma Gandhi University,

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what are the advantages and disadvantages of empirical knowledge?

0 Answers  

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The main important feature of neutron bomb is that when it is dropped on a city, it would damage 1 Both the living organisms and buildings 2 The buildings but not the living organisms 3 The living organisms but spare buildings 4 None of these

3 Answers   GTY, Indian Railways, Option 3, RRB, RRC Railway Recruitment Cell,

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Which of the following is used in making artificial sweetener saccharin? 1 Benzene 2 Toluene 3 Phenol 4 Aniline

2 Answers  

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tea will coll most easily in a:

2 Answers  

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