Chemistry Helium gas is used in gas balloons instead of hydrogen gas because it is More abundant than hydrogen Lighter than hydrogen Non-combustible More stable More abundant than hydrogen Lighter than hydrogen Non-combustible More stable ANSWER DOWNLOAD EXAMIANS APP
Chemistry The components of water can be separated by Physical methods They can not be separated Both A and B Chemical methods Physical methods They can not be separated Both A and B Chemical methods ANSWER DOWNLOAD EXAMIANS APP
Chemistry The temperature of oxy-acetylene flame is around 3600°C 3200°C 2800°C 4000°C 3600°C 3200°C 2800°C 4000°C ANSWER DOWNLOAD EXAMIANS APP
Chemistry In arc welding, Argon is used because of its Ability to lower the melting point of the metal High flammability High calorific value Low reactivity with metal Ability to lower the melting point of the metal High flammability High calorific value Low reactivity with metal ANSWER DOWNLOAD EXAMIANS APP
Chemistry The fat of a common mussel-secretes a sticky glue that can be used to make heart implants. The unique chemical compound present in the glue is: Hydroxy phenyl alanine Phenyl alanine Amino phenyl alanine Dihydroxy phenyl alanine Hydroxy phenyl alanine Phenyl alanine Amino phenyl alanine Dihydroxy phenyl alanine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass is a solution of molten copper in Gaseous zinc Molten tin Molten zinc Solid zinc Gaseous zinc Molten tin Molten zinc Solid zinc ANSWER DOWNLOAD EXAMIANS APP
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