Chemistry The chemical used in developing photographic films is Hypo Hydroquinone Silver bromide Sodium sulphate Hypo Hydroquinone Silver bromide Sodium sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element used for making solar cells is Calcium Magnesium Silicon Sodium Calcium Magnesium Silicon Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following organic compound is used to remove stains of iron compounds? Cinnamic acid Oxalic acid Benzoic acid Phthalic acid Cinnamic acid Oxalic acid Benzoic acid Phthalic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Tetra ethyle lead (TEL) is A catalyst in burning fossil fuel An antioxidant An antiknock compound A reductant A catalyst in burning fossil fuel An antioxidant An antiknock compound A reductant ANSWER DOWNLOAD EXAMIANS APP
Chemistry What are the components responsible for acid rain? Sulphur dioxide (SO2) and Nitrogen oxides (NOx) Carbon dioxide (CO2) and Carbon monoxide (CO) Nitrogen monoxide (NO) and Carbon monoxide (CO) Oxides of carbon (COx) and Oxides of nitrogen (NOx) Sulphur dioxide (SO2) and Nitrogen oxides (NOx) Carbon dioxide (CO2) and Carbon monoxide (CO) Nitrogen monoxide (NO) and Carbon monoxide (CO) Oxides of carbon (COx) and Oxides of nitrogen (NOx) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Highest percentage of carbon is found in which form of coal? Peat Bituminous Anthracite Lignite Peat Bituminous Anthracite Lignite ANSWER DOWNLOAD EXAMIANS APP