black book online vehicle

The DNA used as a carrier for transferring a fragment of foreign DNA into a suitable host is called vehicle DNA. Two types of DNA are used as vehicles: plasmid DNA and bacteriophage D..

When natural gas is burnt in limited supply of air, the resulting soot is deposited on the underside of a revolving disc. This is carbon black and it is then scraped off and filled in bags. It differs from lamp black in being not so greasy. Carbon black is added to th..

To place a satellite into orbit it needs to be accelerated in several stages. The required acceleration is produced by firing rockets at various stages of flight. These rockets are fitted into a system called 'launch vehicle' which carries the satellit..

To place a satellite into orbit it needs to be accelerated in several stages. The required acceleration is produced by firing rockets at various stages of flight. These rockets are fitted into a system called 'launch vehicle' which carries the satellite. By firing rockets at appropriate h..

Lamp Black is also known as Soot. Soot is obtained by the incomplete combustion of carbonaceous, fuels, especially oil fuels, in limited supply of air. The soot settles on the cooler parts of the chamber, and can be collected by scrapping it (Fig.10.5). It is used in the manufacture of pr..

Consider two bodies of equal surface areas suspended in a room. One of the bodies has a polished surface and the other is painted black. After sufficient time, the temperature of both the bodies are equal to the room temperature. As the surface areas of the bodies are the same, equal amou..

It is prepared by heating white phosphorus to about 470 K under high pressure of 1200 atmospheres in inert atmosphere. (i) It has metallic lustre. (ii) It is most inactive form of phosphorus. (iii) It has a layer type structure in which each layer consists of phosphorus atoms. Some ph..

2010 Got his PhD and continued his post doctoral career there 2015 Returned to India,started his own company,innovations incoropated 2016 Found ways to use city waste to generate electricity 2022 Perfected cheap,efficient means of using solar power 2030 Exhibited the use of hyd..

There are some gray and some black buttons in the figure. Identify the ratio of gray to black buttons. => 1 : 5 or 1 : 4 or 5 : 4 or 4 : 5..

Stephanie recorded the number of vehicles passing through her house in 15 minutes. Find the total number of vehicles that passed through Stephanie's house. => 45 or 5 or 4 or 41..