Chemistry Which substance is used to retard the setting action of cement? CaSO4, 2H2O CaO Al2O3 Na2O + K2O CaSO4, 2H2O CaO Al2O3 Na2O + K2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a commercial source of energy? Coal Petroleum Natural Gas Firewood Coal Petroleum Natural Gas Firewood ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sea water is saltier than rain water because Rivers wash away salts from earth and pour them into the sea Sea beds have salt producing mines Sea animals are salt producing The air around the sea is saltish Rivers wash away salts from earth and pour them into the sea Sea beds have salt producing mines Sea animals are salt producing The air around the sea is saltish ANSWER DOWNLOAD EXAMIANS APP
Chemistry In sugar solution, Sugar is solvent, water is solute Sugar is solute, water is solvent Both are solvents Both are solutes Sugar is solvent, water is solute Sugar is solute, water is solvent Both are solvents Both are solutes ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is a soluble salt in H2O CaCl2 Zn(OH)2 CuS PbCl2 CaCl2 Zn(OH)2 CuS PbCl2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief source of naphthalene is Camphor Diesel Charcoal Coal-tar Camphor Diesel Charcoal Coal-tar ANSWER DOWNLOAD EXAMIANS APP
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