Chemistry The addition of gypsum to portland cement helps in : Preventing rapid setting of cement Reduction in the cost of cement Rapid setting of cement Increasing the strength of cement Preventing rapid setting of cement Reduction in the cost of cement Rapid setting of cement Increasing the strength of cement ANSWER DOWNLOAD EXAMIANS APP
Chemistry Isobars are lines joining places having equal Rainfall Population Pressure Height above sea-level Rainfall Population Pressure Height above sea-level ANSWER DOWNLOAD EXAMIANS APP
Chemistry Thermal electricity is generated by using which of these ? None of these Coal only Coal and Natural Gas only Coal, Natural Gas and Petroleum None of these Coal only Coal and Natural Gas only Coal, Natural Gas and Petroleum ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atoms of different elements have Same number of electrons and neutrons Different atomic number and different number of valence electrons Same atomic number and same electronic configuration Different atomic number and same eletronic configu-ration Same number of electrons and neutrons Different atomic number and different number of valence electrons Same atomic number and same electronic configuration Different atomic number and same eletronic configu-ration ANSWER DOWNLOAD EXAMIANS APP
Chemistry The material used in the manufacture of lead pencil is Graphite Lead Carbon Mica Graphite Lead Carbon Mica ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a chemical reaction'? Conversion of water into steam Digestion of food Burning of paper Burning of coal Conversion of water into steam Digestion of food Burning of paper Burning of coal ANSWER DOWNLOAD EXAMIANS APP
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