Chemistry What happens when a chemical bond is formed ? Energy is always absorbed Energy is neither released nor absorbed More energy is released than is absorbed Energy in always released Energy is always absorbed Energy is neither released nor absorbed More energy is released than is absorbed Energy in always released ANSWER DOWNLOAD EXAMIANS APP
Chemistry The rusting of iron is a/an Electrical change Physical change None of these Electrochemical change Electrical change Physical change None of these Electrochemical change ANSWER DOWNLOAD EXAMIANS APP
Chemistry Mercury is emitted into air by Steam engine Burning coal Coal fire Burning garbage Steam engine Burning coal Coal fire Burning garbage ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most suitable vessel for storing concentrated sulphuric acid is Earthen vessel Glass vessel Aluminium vessel Copper vessel Earthen vessel Glass vessel Aluminium vessel Copper vessel ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element in the human body is Iron Nitrogen Oxygen Carbon Iron Nitrogen Oxygen Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry In its reaction with silver nitrate, C2H2 shows Basic property Oxidising property Reducing property Acidic property Basic property Oxidising property Reducing property Acidic property ANSWER DOWNLOAD EXAMIANS APP
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