Chemistry A thick paste of cement, sand and water is called Kiln Concrete R.C.C. Mortar Kiln Concrete R.C.C. Mortar ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is a sublime substance? Iodine Potassium Iodide Sugar Table salt Iodine Potassium Iodide Sugar Table salt ANSWER DOWNLOAD EXAMIANS APP
Chemistry In upper layer of atmosphere ozone is formed by Subjecting oxygen to high pressure The action of ultraviolet rays on oxygen The combination of oxygen molecules The action of nitrogen on oxygen in atmosphere Subjecting oxygen to high pressure The action of ultraviolet rays on oxygen The combination of oxygen molecules The action of nitrogen on oxygen in atmosphere ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a chemical reaction'? Conversion of water into steam Burning of coal Digestion of food Burning of paper Conversion of water into steam Burning of coal Digestion of food Burning of paper ANSWER DOWNLOAD EXAMIANS APP
Chemistry The addition of gypsum to portland cement helps in : Increasing the strength of cement Reduction in the cost of cement Preventing rapid setting of cement Rapid setting of cement Increasing the strength of cement Reduction in the cost of cement Preventing rapid setting of cement Rapid setting of cement ANSWER DOWNLOAD EXAMIANS APP