Nitrogen
Ozone
Carbon dioxide
Sulphur dioxide
The greenish yellow colour is seen on a hard boiled egg. This is due to
The H5N1 virus which causes bird flu was 1st discovered in
The hapatitis -B, which affects liver, is actually
The Hepatitis-B, which affects liver, is actually a
The highest volume of gases in lower atmosphere is comprised of
The hormone used as an oral contraceptive is
The Hottest part of Gas Flame is known as -
The hydrogen ion concentration of a solution is measured using a ?
The hydrophilic nature of DNA is due to the presence of
The image made by a plane mirror is always -
