The gas that is most useful in protecting humans against ...
The gas that is most useful in protecting humans against solar marathon is
chlorine
ozone
carbon IV oxide
hydrogen sulphide
Correct answer is B
The ozone layer or ozone shield refers to a region of Earth's stratosphere that absorbs most of the Sun's ultraviolet (UV) radiation. It contains high concentrations of ozone (O3) relative to other parts of the atmosphere, although still very small relative to other gases in the stratosphere
The IUPAC name for CH3CHCH3CHCLCHCH3CH2CH3 is...
In the reaction Fe + Cu2+ → Fe2+ + Cu,iron displaces copper ions to from copper. This is due t...
The metal that is used as a catalyst in the hydrogenation of oils is ...
How many grams of methylacetylene (propyne) CH3 — C Ξ CH will completely discharge the colour of ...
Which of these cell notations is the correct representation of a Daniell cell? ...
Chemicals that are produced in small quantities and with very high degree of purity are ...
Which of the following can undergo both addition reactions and substitution reactions? ...