Chemistry Select the one which is not a mixture : Gasoline LPG Distilled water Air Gasoline LPG Distilled water Air ANSWER DOWNLOAD EXAMIANS APP
Chemistry The octane number of zero is assigned to 2-methyl octane n-heptane 3-methyl octane iso-octane 2-methyl octane n-heptane 3-methyl octane iso-octane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas present in the stratosphere which filters out some of the sun's ultraviolet light and provides an effective shield against radiation damage to living things is ozone oxygen methane helium ozone oxygen methane helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used to restore the colour of old oilpaintings ? Ozone Sodium peroxide Barium peroxide Hydrogen peroxide Ozone Sodium peroxide Barium peroxide Hydrogen peroxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Metal are good conductors, because The molecules in them collide very freely The molecules in them are very close to each other They contain reflecting surface They contain free electrons The molecules in them collide very freely The molecules in them are very close to each other They contain reflecting surface They contain free electrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silk fibre chemically is : Protein Carbohydrate Fat Cellulose Protein Carbohydrate Fat Cellulose ANSWER DOWNLOAD EXAMIANS APP