Chemistry Which of the following is not a commercial source of energy? Petroleum Natural Gas Firewood Coal Petroleum Natural Gas Firewood Coal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atomic number of an atom gives the number of which of the following ? Neutrons Electrons Neutrons and protons Protons Neutrons Electrons Neutrons and protons Protons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silk fibre chemically is : Cellulose Protein Carbohydrate Fat Cellulose Protein Carbohydrate Fat ANSWER DOWNLOAD EXAMIANS APP
Chemistry Malathion is a/an Preservative Pesticide Fumigant Insecticide Preservative Pesticide Fumigant Insecticide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The scientist who experimentally proved the existance of positron is Anderson Bohr Fermi Bethe Anderson Bohr Fermi Bethe ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals form an amalgam with other metals ? Mercury Lead Zinc Tin Mercury Lead Zinc Tin ANSWER DOWNLOAD EXAMIANS APP