Chemistry Suspension particles have the size between 10–8 – 10–10cm 10–1 – 10–2 cm 10–5 – 10–7cm 10–2 – 10–4 cm 10–8 – 10–10cm 10–1 – 10–2 cm 10–5 – 10–7cm 10–2 – 10–4 cm ANSWER DOWNLOAD EXAMIANS APP
Chemistry Synthetic detergents are prepared from Potassium salts of higher fatty-acids Glycerides Hydrocarbons of petroleum Sodium salts of higher fattyacids Potassium salts of higher fatty-acids Glycerides Hydrocarbons of petroleum Sodium salts of higher fattyacids ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one out of the following helps in burning ? Carbon dioxide Nitrogen Oxygen Carbon monoxide Carbon dioxide Nitrogen Oxygen Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to iodise common salt ? Potassium iodide Potassium iodate Iodine Sodium iodide Potassium iodide Potassium iodate Iodine Sodium iodide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical formula of washing soda is Na2CO3.10H2O Ca(OH)2 NaHCO3 Na2SO4.10H2O Na2CO3.10H2O Ca(OH)2 NaHCO3 Na2SO4.10H2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain' is caused due to air - pollution by Nitrous oxide and sulphur dioxide Carbon dioxide Carbon monoxide Methane Nitrous oxide and sulphur dioxide Carbon dioxide Carbon monoxide Methane ANSWER DOWNLOAD EXAMIANS APP