Chemistry Which of the following is a metallic ore ? Quartz Mica Galena Feldspar Quartz Mica Galena Feldspar ANSWER DOWNLOAD EXAMIANS APP
Chemistry Galena is a mineral of Gold Calcium Iron Lead Gold Calcium Iron Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Suspension particles have the size between 10–2 – 10–4 cm 10–5 – 10–7cm 10–8 – 10–10cm 10–1 – 10–2 cm 10–2 – 10–4 cm 10–5 – 10–7cm 10–8 – 10–10cm 10–1 – 10–2 cm ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitric acid does not react with Zinc Iron Gold Copper Zinc Iron Gold Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following forms of phosphorus is most reactive? Black phosphorus Violet phosphorus Red phosphorus White phosphorus Black phosphorus Violet phosphorus Red phosphorus White phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry Vinegar is an aqueous solution of Hydrochloric acid Citric acid Oxalic acid Acetic acid Hydrochloric acid Citric acid Oxalic acid Acetic acid ANSWER DOWNLOAD EXAMIANS APP