Chemistry Oxygen has (+) oxidation number only in OF2 C12O H2O (2) N2O OF2 C12O H2O (2) N2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following compounds is commonly used as an antiseptic in mouthwashes and toothpastes ? Saltpetre Hydrogen peroxide Borax Sodium chloride Saltpetre Hydrogen peroxide Borax Sodium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is biodegradable ? Aluminium D.T. Paper Plastic Aluminium D.T. Paper Plastic ANSWER DOWNLOAD EXAMIANS APP
Chemistry Methanoic and ethanoic acids can be distinguished by the action of SOCl2 Tollen's reagent NaHCO3 NaOH SOCl2 Tollen's reagent NaHCO3 NaOH ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following organic compound is used to remove stains of iron compounds? Benzoic acid Cinnamic acid Oxalic acid Phthalic acid Benzoic acid Cinnamic acid Oxalic acid Phthalic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sea weeds are important source of Chlorine Iron Iodine Bromine Chlorine Iron Iodine Bromine ANSWER DOWNLOAD EXAMIANS APP