Chemistry The temperature of oxy-acetylene flame is around 4000°C 2800°C 3200°C 3600°C 4000°C 2800°C 3200°C 3600°C ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sodium vapour lamps glow with yellow colour. This is due to The emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum sublimation of sodium to emit yellow colour The low ionisation energy of sodium Its ability to absorb all other colours except yellow The emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum sublimation of sodium to emit yellow colour The low ionisation energy of sodium Its ability to absorb all other colours except yellow 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 Dihydroxy phenyl alanine Phenyl alanine Amino phenyl alanine Hydroxy phenyl alanine Dihydroxy phenyl alanine Phenyl alanine Amino phenyl alanine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas liberated in the Bhopal gas tragedy was: Methyl isocynate Acetylene Ethylene Pheynl isocynate Methyl isocynate Acetylene Ethylene Pheynl isocynate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Water is not effective in extinguishing a fire caused by petrol because Water and petrol are miscible with each other Water and petrol react chemically Water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn The flame is too hot for water to cool it down Water and petrol are miscible with each other Water and petrol react chemically Water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn The flame is too hot for water to cool it down ANSWER DOWNLOAD EXAMIANS APP
Chemistry In sugar solution, Sugar is solute, water is solvent Sugar is solvent, water is solute Both are solutes Both are solvents Sugar is solute, water is solvent Sugar is solvent, water is solute Both are solutes Both are solvents ANSWER DOWNLOAD EXAMIANS APP
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