Chemical formula for water glass is 1 Na2Sio3 2 Al2O3 3 NaA1O2 4 CaSiO3

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An element that does not occur in nature but can be produced artificially is 1 Thorium 2 Radium 3 Plutonium 4 Uranium

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infra-red rays were first detected by? the intensity level of sound is measured in? the material used for a fuse wire should? radioactivity is a property of? what is the source of electric energy in an artificial satellite? the following is used as a lubricant in heavy machines? supher, bauxite , graphite, phosphorus

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

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Which unit is used to measure sound frequency?

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how the Adams bridge was formed?

1 Answers   ISRO,

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What is the Respiration ?

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What is the work of a patent engineer? Does the experience in working as patent engineer helps in finding a job in a refinery?

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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

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The ore of which of the following metals can be concentrated by hydraulic washing? 1 Tin 2 Sodium 3 Iron 4 Manganese

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Which of the following is not a compound? 1 Silica 2 Red lead 3 Slaked lime 4 Black lead

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Please can someone tell me, how many times during a 12 hour period, do the hands of a clock face opposite each other? I believe its 11. Also, would this be the same, no matter WHAT the starting time? i.e. if the 12 hour period started at 6 o clock, would it still be 11 times? Many thanks for your help.

0 Answers   Logica CMG,

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