Tungsten is used for the manufacture of the filament of an electric bulb, because –
Tungsten is used because it has the highest melting point of all the metallic elements. It melts at 3410 degrees Celsius. When current passes through the filament it heats it up. When the filament reaches a certain temperature it starts to give off light, that's how we get a light bulb. The first successful light bulb filaments were made of carbon (from carbonized paper or bamboo).
Pennisetum violaceum is a source for ____________ in Bajra.
The nicotine content of the leaves of Nicotiana rustica ranges from:
Vertebrates have a ventral muscular heart with………………..chambers
Registration-cum-Allocation Certificates (RCAC) is issued by APEDA for the export of ____
Ratio of P to s bonds in benzene is-
As compared to conventional methods of extraction, green extraction technologies have the following advantages EXCEPT:
‘’Hazard" means a
At what height, geostationary satellites are placed above the earth surface?
Which crop usually shows greater stomatal resistance?
Which of the following hydrocarbon is liquid at room temperature?
