Chemistry What is the element that is in the highest percentage in the composition of the earth ? Magnesium Silicon Oxygen Iron Magnesium Silicon Oxygen Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry An oxidising agent is a An electron acceptor An electron donor It releases H2 in a chemical reaction In a chemical reaction its oxidation number increases An electron acceptor An electron donor It releases H2 in a chemical reaction In a chemical reaction its oxidation number increases ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cloud is a colloidal dispersion of Air in a dispersion medium of water Water drops in a dispersion medium of air Fog in a dispersion medium of water Mist in a dispersion medium of air Air in a dispersion medium of water Water drops in a dispersion medium of air Fog in a dispersion medium of water Mist in a dispersion medium of air ANSWER DOWNLOAD EXAMIANS APP
Chemistry The sewage obtained from water closets and urinals is known as Sullage Industrial waste Sanitary waste Garbage Sullage Industrial waste Sanitary waste Garbage ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid which fails to liberate carbon dioxide from sodium bicarbonate is : Acetic acid Carbonic acid Sulphuric acid Formic acid Acetic acid Carbonic acid Sulphuric acid Formic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following laser types is used in a laser printer? Gas laser Semiconductor laser Excimer laser Dye laser Gas laser Semiconductor laser Excimer laser Dye laser ANSWER DOWNLOAD EXAMIANS APP
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