Chemistry The three elements most needed in common fertilisers are : Sulphur, Phosphorous and Sodium Phosphorous, Sodium and Nitrogen Nitrogen, Potassium and Phosphorous Calcium, Phosphorous and Potassium Sulphur, Phosphorous and Sodium Phosphorous, Sodium and Nitrogen Nitrogen, Potassium and Phosphorous Calcium, Phosphorous and Potassium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Peroxyacetyl nitrate is a Secondary pollutant Acidic dye Vitamin Plant hormone Secondary pollutant Acidic dye Vitamin Plant hormone ANSWER DOWNLOAD EXAMIANS APP
Chemistry The components of water can be separated by Physical methods Chemical methods They can not be separated Both A and B Physical methods Chemical methods They can not be separated Both A and B ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which type of fire extinguisher is used for petroleum fire ? Foam type None of these Powder type Soda acid type Foam type None of these Powder type Soda acid type ANSWER DOWNLOAD EXAMIANS APP
Chemistry Heavy metal pollution of water is caused by: Domestic sewage Wood burning Paints Acid Plants Domestic sewage Wood burning Paints Acid Plants ANSWER DOWNLOAD EXAMIANS APP
Chemistry The laws of electrolysis are given by Faraday Lewis Ostwald Arrhenius Faraday Lewis Ostwald Arrhenius ANSWER DOWNLOAD EXAMIANS APP