Chemistry Nitric acid does not react with Iron Gold Copper Zinc Iron Gold Copper Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry The two metal ions that cause hardness to water are: Sodium, Magnesium Calcium, Magnesium Sodium, Potassium Sodium, Calcium Sodium, Magnesium Calcium, Magnesium Sodium, Potassium Sodium, Calcium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Soldering of two metals is possible because of the property of : Osmosis Surface tension Cohesion Viscosity Osmosis Surface tension Cohesion Viscosity ANSWER DOWNLOAD EXAMIANS APP
Chemistry The electronic configuration of an atom having atomic number ‘20’ is 2, 8, 8, 2 2, 6, 8, 4 2, 8, 10 2, 10, 8 2, 8, 8, 2 2, 6, 8, 4 2, 8, 10 2, 10, 8 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is a covalent compound ? Calcium chloride Magnesium fluoride Carbon tetrachloride Sodium chloride Calcium chloride Magnesium fluoride Carbon tetrachloride Sodium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry In arc welding, Argon is used because of its Ability to lower the melting point of the metal Low reactivity with metal High calorific value High flammability Ability to lower the melting point of the metal Low reactivity with metal High calorific value High flammability ANSWER DOWNLOAD EXAMIANS APP