Chemistry Which among the following is pure matter ? Carbon–dioxide Brass Air Iron Carbon–dioxide Brass Air Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ferrous sulphate is used in water treatment as a/an Reducing agent Coagulant aid Oxidizing agent Adsorbent Reducing agent Coagulant aid Oxidizing agent Adsorbent ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxygen has (+) oxidation number only in OF2 N2O C12O H2O (2) OF2 N2O C12O H2O (2) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Rusting of iron takes place due to Exfoliation Corrosion Oxidation Carbonation Exfoliation Corrosion Oxidation Carbonation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Commercially, sodium bicarbonate is known as Baking soda Washing soda Bleaching powder Soda ash Baking soda Washing soda Bleaching powder Soda ash ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not present in cement ? Gypsum Clay Alumina Alum Gypsum Clay Alumina Alum ANSWER DOWNLOAD EXAMIANS APP
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