Chemistry The most common cause of pollution of air is Smoke Carbon monoxide Carbon dioxide Sulphur dioxide Smoke Carbon monoxide Carbon dioxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The buffer action of blood is due to the presence of HCI and NaCI CI– and [HCO3]– [HCO3]– and H2CO3 CI– and [CO3]2– HCI and NaCI CI– and [HCO3]– [HCO3]– and H2CO3 CI– and [CO3]2– ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals is used in Space Crafts to withstand high temperatures ? Pb Ni Fe Ti Pb Ni Fe Ti ANSWER DOWNLOAD EXAMIANS APP
Chemistry The substance that is added to make natural rubber strong and more bouncy is Sponge Polythene Chlorine Sulphur Sponge Polythene Chlorine Sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a nitrogenous fertilizer ? Ca(CN)2 Urea NH4NO3 CaCN2 Ca(CN)2 Urea NH4NO3 CaCN2 ANSWER DOWNLOAD EXAMIANS APP
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