Chemistry Heating of a ore below its melting point in the absence of air is known as Smelting Refining Roasting Calcination Smelting Refining Roasting Calcination ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the element required for solar energy conversion ? Silicon Ultra pure carbon Tantalum Beryllium Silicon Ultra pure carbon Tantalum Beryllium ANSWER DOWNLOAD EXAMIANS APP
Chemistry An example of heterocyclic compound is Benzene Anthracene Naphthalene Furan Benzene Anthracene Naphthalene Furan 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: Dihydroxy phenyl alanine Hydroxy phenyl alanine Phenyl alanine Amino phenyl alanine Dihydroxy phenyl alanine Hydroxy phenyl alanine Phenyl alanine Amino phenyl alanine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals is not a pollutant ? Mercury Arsenic Aluminium Lead Mercury Arsenic Aluminium Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who developed the model of atomic structure ? Bohr and Rutherford Alfred Nobel Volta Faraday Bohr and Rutherford Alfred Nobel Volta Faraday ANSWER DOWNLOAD EXAMIANS APP
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