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
What is the atomic number of Ruthenium? ...
Which of the following methods is commonly used to remove suspended impurities from water? ...
N2O4(g) ↔ 2NO2(g) In the endothermic reaction above, more product formation will be favoured by...
What is the relative molecular mass of a compound which has empirical formula \(CH_{2}O\)? [C...
Which of the followingstatements is TRUE? ...
Which metal is extracted from bauxite? ...
Which of the following metals is NOT extracted by electrolysis? ...