Chemistry Supersonic jet causes pollution by thinning of O 2 layer CO2 layer O3 layer SO2 layer O 2 layer CO2 layer O3 layer SO2 layer ANSWER DOWNLOAD EXAMIANS APP
Chemistry The important metal used with iron to produce stainless steel is Tin Carbon Aluminium Chromium Tin Carbon Aluminium Chromium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Highest percentage of carbon is found in which form of coal? Bituminous Lignite Peat Anthracite Bituminous Lignite Peat Anthracite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main constituent of natural gas is Propane Ethane Butane Methane Propane Ethane Butane Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one among the following is not a mixture? Steel Brass Glass Graphite Steel Brass Glass Graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid rain destroys vegetations because it contains Nitric acid Carbon monoxide Sulphuric acid Ozone Nitric acid Carbon monoxide Sulphuric acid Ozone ANSWER DOWNLOAD EXAMIANS APP
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