Chemistry What is the element that is in the highest percentage in the composition of the earth ? Oxygen Silicon Magnesium Iron Oxygen Silicon Magnesium Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to remove ink and rust stains on cloth? Alcohol Kerosene oil Oxalic acid Ether Alcohol Kerosene oil Oxalic acid Ether ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following in automobile exhaust can cause cancer? Carbon monoxide Lead Polyclinic hydrocarbons Oxides of nitrogen Carbon monoxide Lead Polyclinic hydrocarbons Oxides of nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals has least melting point ? Silver Mercury Copper Gold Silver Mercury Copper Gold ANSWER DOWNLOAD EXAMIANS APP
Chemistry The unit of ionic product of water (Kw) is : Mol-1 let-1 Mol-1 let-2 Mol2 let-2 Mol2 let-1 Mol-1 let-1 Mol-1 let-2 Mol2 let-2 Mol2 let-1 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compound used in pricklyheat powder to prevent excessive sweating is Sulphuric acid Boric acid Phosphoric acid Carbonic acid Sulphuric acid Boric acid Phosphoric acid Carbonic acid ANSWER DOWNLOAD EXAMIANS APP