Chemistry What happens when a chemical bond is formed ? Energy in always released More energy is released than is absorbed Energy is always absorbed Energy is neither released nor absorbed Energy in always released More energy is released than is absorbed Energy is always absorbed Energy is neither released nor absorbed ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer is present in Stratosphere Ionosphere Troposphere Exosphere Stratosphere Ionosphere Troposphere Exosphere ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is found in chlorophyll ? Ca2+ Mg2+ Fe2+ A l3+ Ca2+ Mg2+ Fe2+ A l3+ ANSWER DOWNLOAD EXAMIANS APP
Chemistry The strongest oxidizing agent among the following is: Fluorine Chlorine Oxygen Iodine Fluorine Chlorine Oxygen Iodine ANSWER DOWNLOAD EXAMIANS APP
Chemistry An electric iron has a heating element made of : Tungsten Zinc Nichrome Copper Tungsten Zinc Nichrome Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main buffer system of the human blood is H2CO3 - CO32- H2CO3 - HCO3 CH3COOH - CH3COO- NH2CONH2 - NH2CONH+ H2CO3 - CO32- H2CO3 - HCO3 CH3COOH - CH3COO- NH2CONH2 - NH2CONH+ ANSWER DOWNLOAD EXAMIANS APP
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