Chemistry Which of the following is a natural dye ? Aniline blue Alizarin Phenolphthalein Crystal violet Aniline blue Alizarin Phenolphthalein Crystal violet ANSWER DOWNLOAD EXAMIANS APP
Chemistry The hottest part of the gas flame is known as non-luminous zone blue zone luminous zone dark zone non-luminous zone blue zone luminous zone dark zone ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used for filling weather balloons is Air Hydrogen Nitrogen Helium Air Hydrogen Nitrogen Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of rat poison is Lead nitrate Zinc oxide Potassium cyanide Zinc phosphide Lead nitrate Zinc oxide Potassium cyanide Zinc phosphide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who developed the model of atomic structure ? Bohr and Rutherford Volta Faraday Alfred Nobel Bohr and Rutherford Volta Faraday Alfred Nobel ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical that is used to ripen mangoes is Calcium sulphide Calcium carbonate Calcium carbide Calcium chloride Calcium sulphide Calcium carbonate Calcium carbide Calcium chloride ANSWER DOWNLOAD EXAMIANS APP
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