Chemistry Of the following commonly used materials, the one that is not an alloy is Copper Bronze Steel Brass Copper Bronze Steel Brass ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass number of an atom is equal to the number of nucleons the number of neutrons the number of protons and electrons the number of protons the number of nucleons the number of neutrons the number of protons and electrons the number of protons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The property of hydrogen which distinguishes it from alkali metals is Its electropositive character Its reducing character Its non-metallic character Its affinity for non-metal Its electropositive character Its reducing character Its non-metallic character Its affinity for non-metal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrogen is an essential constituent of all : Vitamins Fats Carbohydrates Proteins Vitamins Fats Carbohydrates Proteins ANSWER DOWNLOAD EXAMIANS APP
Chemistry Philosopher’s wool is chemically Calcium oxide Magnesium oxide Aluminium oxide Zinc oxide Calcium oxide Magnesium oxide Aluminium oxide Zinc oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a man-made source of air pollution ? Automobile exhaust Forest fire Bacterial action in soil and swamp areas All of these Automobile exhaust Forest fire Bacterial action in soil and swamp areas All of these ANSWER DOWNLOAD EXAMIANS APP