Chemistry Magnalium is an alloy of Magnesium and Tin Aluminium and Zinc Manganese and Magnesium Aluminium and Magnesium Magnesium and Tin Aluminium and Zinc Manganese and Magnesium Aluminium and Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphur dioxide level in the atmosphere can be reduced by using More efficient car engines Static electricity to attract it in factory chimneys Catalytic converters in industry Low - sulphur fuels More efficient car engines Static electricity to attract it in factory chimneys Catalytic converters in industry Low - sulphur fuels ANSWER DOWNLOAD EXAMIANS APP
Chemistry Rutherford’s scattering experiment proved the presence of Nucleus in atoms Electrons in atoms Neutrons in atoms Atoms in all matter Nucleus in atoms Electrons in atoms Neutrons in atoms Atoms in all matter ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most electropositive elements among the following is Na K Ca Cs Na K Ca Cs ANSWER DOWNLOAD EXAMIANS APP
Chemistry Why is water not suitable for putting out a petrol fire ? The heat required for combustion of petrol is very low The oxygen content of water is isolated by petrol and thus it helps in burning Water, being heavy, slips below petrol which thus remains in contact with air and burns Petrol is too inflammable to be extinguished by water The heat required for combustion of petrol is very low The oxygen content of water is isolated by petrol and thus it helps in burning Water, being heavy, slips below petrol which thus remains in contact with air and burns Petrol is too inflammable to be extinguished by water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not present in cement ? Alumina Gypsum Clay Alum Alumina Gypsum Clay Alum ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS