Chemistry Periodic table contains how many groups 19 18 16 17 19 18 16 17 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The BOD values of water indicate the Amount of organic debris Amount of oxygen used for biochemical oxidation Amount of ozone used for biochemical oxidation Amount of oxygen used for biochemical reduction Amount of organic debris Amount of oxygen used for biochemical oxidation Amount of ozone used for biochemical oxidation Amount of oxygen used for biochemical reduction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is known as carbolic acid? Oxalic acid Phenol Ethanol Acetic acid Oxalic acid Phenol Ethanol Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The first metal used by man was iron copper gold bronze iron copper gold bronze ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is biodegradable ? D.T. Paper Plastic Aluminium D.T. Paper Plastic Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The working of a dry cell is based on Combination reaction Spontaneous oxidation-reduction reaction Decomposition reaction Electrolysis Combination reaction Spontaneous oxidation-reduction reaction Decomposition reaction Electrolysis ANSWER DOWNLOAD EXAMIANS APP
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