Chemistry Malathion is a/an Preservative Insecticide Fumigant Pesticide Preservative Insecticide Fumigant Pesticide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Peptization is a process of Dispersing precipitates into colloidal solution Precipitation of colloidal particles Purification of colloids Protection of colloidal solution Dispersing precipitates into colloidal solution Precipitation of colloidal particles Purification of colloids Protection of colloidal solution ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not soluble in water ? Zinc sulphate Potassium sulphate Sodium sulphate Lead Sulphate Zinc sulphate Potassium sulphate Sodium sulphate Lead Sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry In upper layer of atmosphere ozone is formed by The combination of oxygen molecules The action of ultraviolet rays on oxygen Subjecting oxygen to high pressure The action of nitrogen on oxygen in atmosphere The combination of oxygen molecules The action of ultraviolet rays on oxygen Subjecting oxygen to high pressure The action of nitrogen on oxygen in atmosphere ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element used for making solar cells is Sodium Silicon Calcium Magnesium Sodium Silicon Calcium Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The three elements most needed in common fertilisers are : Nitrogen, Potassium and Phosphorous Sulphur, Phosphorous and Sodium Calcium, Phosphorous and Potassium Phosphorous, Sodium and Nitrogen Nitrogen, Potassium and Phosphorous Sulphur, Phosphorous and Sodium Calcium, Phosphorous and Potassium Phosphorous, Sodium and Nitrogen ANSWER DOWNLOAD EXAMIANS APP
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