Chemistry Which substance is used to retard the setting action of cement? Na2O + K2O Al2O3 CaO CaSO4, 2H2O Na2O + K2O Al2O3 CaO CaSO4, 2H2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry The material used in solar cells contains Tin Silicon Thallium Caesium Tin Silicon Thallium Caesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Spirit in contact with body gives cool sensation because it is : A good conductor Liquid Highly volatile Transparent A good conductor Liquid Highly volatile Transparent ANSWER DOWNLOAD EXAMIANS APP
Chemistry An oxidising agent is a An electron donor An electron acceptor In a chemical reaction its oxidation number increases It releases H2 in a chemical reaction An electron donor An electron acceptor In a chemical reaction its oxidation number increases It releases H2 in a chemical reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following pollutants is main product of automobile exhaust ? CO NO CO2 Hydrocarbons CO NO CO2 Hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
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