Chemistry Which of the following is a natural dye ? Aniline blue Crystal violet Alizarin Phenolphthalein Aniline blue Crystal violet Alizarin Phenolphthalein ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief constituent of vinegar is Formic acid Salycylic acid Acetic acid Oxalic acid Formic acid Salycylic acid Acetic acid Oxalic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nucleons are regarded as composites sub-particles known as Mesons Leptons Quarks Photons Mesons Leptons Quarks Photons ANSWER DOWNLOAD EXAMIANS APP
Chemistry For generation of biogas, the materials commonly used are Aquatic plants Animal wastes Crop residues Forest residues Aquatic plants Animal wastes Crop residues Forest residues ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following produces highest amount of energy upon oxidation? Protein Fat An alkane Glucose Protein Fat An alkane Glucose ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ‘Green House effect’ is produced due to the presence of excess amount of Carbon monoxide Nitrogen dioxide Methane Sulphur dioxide Carbon monoxide Nitrogen dioxide Methane Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP