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 metals is used to galvanise iron ? Lead Copper Zinc Mercury Lead Copper Zinc Mercury ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal does not give H2 on treatment with dilute HCL is Fe Ca Ag Zn Fe Ca Ag Zn ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used to restore the colour of old oilpaintings ? Hydrogen peroxide Barium peroxide Ozone Sodium peroxide Hydrogen peroxide Barium peroxide Ozone Sodium peroxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following has a maximum tendency to form M3 ion ? Bi P N As Bi P N As ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following has pH value 7? HCl Pure Water Sodium Carbonate H2SO4 HCl Pure Water Sodium Carbonate H2SO4 ANSWER DOWNLOAD EXAMIANS APP
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