Chemistry What is the most commonly used substance in fluorescent tubes? Mercury oxide and neon Sodium oxide and argon Sodium vapour and neon Mercury vapour and argon Mercury oxide and neon Sodium oxide and argon Sodium vapour and neon Mercury vapour and argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The three elements most needed in common fertilisers are : Sulphur, Phosphorous and Sodium Phosphorous, Sodium and Nitrogen Calcium, Phosphorous and Potassium Nitrogen, Potassium and Phosphorous Sulphur, Phosphorous and Sodium Phosphorous, Sodium and Nitrogen Calcium, Phosphorous and Potassium Nitrogen, Potassium and Phosphorous ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is an example of a gel ? Cheese Milk Face cream Shaving cream Cheese Milk Face cream Shaving cream ANSWER DOWNLOAD EXAMIANS APP
Chemistry Assertion (A) : Synthetic detergents can lather wen in hard water.Reason (R) : Synthetic detergents form soluble calcium and magnesium salts with hard water. Both A and R is true and R is the correct explanation of A A is true but R is false A is false but R is true Both A and R is true but R is not a correct explanation of A Both A and R is true and R is the correct explanation of A A is true but R is false A is false but R is true Both A and R is true but R is not a correct explanation of A ANSWER DOWNLOAD EXAMIANS APP
Chemistry Man dies in the atmosphere of CO, because it Combines with the haemoglobin of blood, thereby making the later incapable of absorbing O2 Reduces the organic matter of tissues Dries up the blood Combines with O2 present in the body Combines with the haemoglobin of blood, thereby making the later incapable of absorbing O2 Reduces the organic matter of tissues Dries up the blood Combines with O2 present in the body ANSWER DOWNLOAD EXAMIANS APP
Chemistry Forth floatation process to concentrate the minerals is applicable to Calamine Chalcopyrites Haematite Bauxite Calamine Chalcopyrites Haematite Bauxite ANSWER DOWNLOAD EXAMIANS APP
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