Chemistry Which one of the following organic compound is used to remove stains of iron compounds? Oxalic acid Cinnamic acid Phthalic acid Benzoic acid Oxalic acid Cinnamic acid Phthalic acid Benzoic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a lead storage battery is discharged, Lead is formed Lead sulphate is consumed Sulphuric acid is consumed SO2 is evolved Lead is formed Lead sulphate is consumed Sulphuric acid is consumed SO2 is evolved ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of 'laughing gas' is Nitric oxide Nitrogen dioxide Nitrogen pentoxide Nitrous oxide Nitric oxide Nitrogen dioxide Nitrogen pentoxide Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following contains maximum percentage of carbon ? Wrought iron Cast iron High speed steel Stainless steel Wrought iron Cast iron High speed steel Stainless steel ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a spoon is to be electroplated with nickel the spoon is Coated with nickel sulphate and dried Dipped in a nickel sulphate solution Made anode and a pure nickel rod, the cathode Made cathode and a pure nickel red, the anode Coated with nickel sulphate and dried Dipped in a nickel sulphate solution Made anode and a pure nickel rod, the cathode Made cathode and a pure nickel red, the anode ANSWER DOWNLOAD EXAMIANS APP
Chemistry The filter over which sewage is sprinkled is called as Trickling filter Contact bed Percolating filter Intermittent sand filter Trickling filter Contact bed Percolating filter Intermittent sand filter ANSWER DOWNLOAD EXAMIANS APP
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