Description : Pick out the wrong statement. (A) Conversion of SO2 to SO3 in Monsanto-4 pass converter is about 98% (B) The chemical formula of oleum is H2S2O7 , which is formed by saturating ... but technical sulphuric acid (D) Decomposition of sulphuric acid on heating does not start before its boiling
Last Answer : (D) Decomposition of sulphuric acid on heating does not start before its boiling
Description : Why are there reflections on the glass table on Dating in the Dark?
Last Answer : I have not seen the show. It's possible the camera crew is using infrared light to illuminate and photograph the scene. IR acts very much like regular light and would reflect off surfaces. You can try it ... an IR source that turns on when in total darkness. Humans can't see it but the scope can.
Description : Why hydrogen peroxide is kept in wax lined glass or plastic vessels in dark?
Last Answer : Ans-In the presence of metal surfaces or traces of alkali (present in glass containers), the above reaction is catalyzed. It is, therefore, stored in wax-lined glass or plastic vessels in ... a stabilizer. It is kept away from dust because dust can induce explosive decomposition of the compound.
Description : Be you ever so quick, with vision keen, by your eyes, we are never seen. Unless perchance it should come to pass, you see our reflection in a looking glass. What are we? -Riddles
Last Answer : Your own eyes.
Description : For a ray of light to suffer total internal reflection it has to pass from – (1) glass to water (2) water to glass (3) air to water (4) air to glass
Last Answer : (3) air to water Explanation: Total internal reflection is an optical phenomenon that happens when a ray of light strikes a medium boundary at an angle larger than a particular critical angle with respect to the normal to the surface.
Description : Pick out the wrong statement pertaining to 'green house' for the plants. (A) 'Green house' (made of glass) allows visible sunlight (i.e., short wavelength solar radiation like ultra-violet rays) ... ' thereby warming up the earth's surface (D) 'Green house' is colder than the outside atmosphere
Last Answer : (D) 'Green house' is colder than the outside atmosphere
Description : For a ray of light to suffer total internal reflection it has to pass from : (1) glass to water (2) water to glass (3) air to water (4) air to glass
Last Answer : air to water
Description : Is it necessary to always carry a technical card with you?
Last Answer : TP no, but TP certificate yes.
Description : How old is it?
Last Answer : For a year or two.
Description : When the car has, for example, 10 colors. What's in the technician? A mixture of colors? Or are they all listed?
Last Answer : The body beam should be described. It's up to the clerk how exactly he writes it.