Chemistry Earth’s atmosphere is an envelope of gases extending to a height of 100 km 150 km 200 km 300 km 100 km 150 km 200 km 300 km ANSWER DOWNLOAD EXAMIANS APP
Chemistry A solution is A solid dissolved i water A homogeneous mixture of two or more substances A mixture of two liquids A solid dissolved in a liquid A solid dissolved i water A homogeneous mixture of two or more substances A mixture of two liquids A solid dissolved in a liquid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical that is used to ripen mangoes is Calcium chloride Calcium sulphide Calcium carbide Calcium carbonate Calcium chloride Calcium sulphide Calcium carbide Calcium carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as anesthetic ? NO2 NH3 NO N2O NO2 NH3 NO N2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium is added to the oxygen supply of deep sea divers because it is Less poisonous than nitrogen Readily miscible with oxygen Lighter than nitrogen Less soluble in blood than nitrogen at high pressure Less poisonous than nitrogen Readily miscible with oxygen Lighter than nitrogen Less soluble in blood than nitrogen at high pressure ANSWER DOWNLOAD EXAMIANS APP
Chemistry Quartz is made of Sodium Sulphate Sodium Silicate Calcium Sulphate Calcium Silicate Sodium Sulphate Sodium Silicate Calcium Sulphate Calcium Silicate ANSWER DOWNLOAD EXAMIANS APP