Chemistry The two metal ions that cause hardness to water are: Sodium, Magnesium Calcium, Magnesium Sodium, Calcium Sodium, Potassium Sodium, Magnesium Calcium, Magnesium Sodium, Calcium Sodium, Potassium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a natural dye ? Phenolphthalein Crystal violet Alizarin Aniline blue Phenolphthalein Crystal violet Alizarin Aniline blue ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following kinds of spectroscopy can provide information on the energy difference between the initial and final states rather the energy levels involved in the transition Infrared absorption spectroscopy Rotational spectroscopy UV absorption spectroscopy UV photoelectron spectroscopy Infrared absorption spectroscopy Rotational spectroscopy UV absorption spectroscopy UV photoelectron spectroscopy ANSWER DOWNLOAD EXAMIANS APP
Chemistry Entropy of Universe is always Decreasing Increasing Constant Zero Decreasing Increasing Constant Zero ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ionic radii of N3-, O2-, F- and Na+ follows the order N3- > O2- > F- > Na+ N3- > Na+ > O2- > F- Na+ > O2- > N3- > F- O2- > F- > Na+ > N3- N3- > O2- > F- > Na+ N3- > Na+ > O2- > F- Na+ > O2- > N3- > F- O2- > F- > Na+ > N3- ANSWER DOWNLOAD EXAMIANS APP
Chemistry Galena is a mineral of Lead Iron Gold Calcium Lead Iron Gold Calcium ANSWER DOWNLOAD EXAMIANS APP
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