Chemistry The two metal ions that cause hardness to water are: Calcium, Magnesium Sodium, Magnesium Sodium, Potassium Sodium, Calcium Calcium, Magnesium Sodium, Magnesium Sodium, Potassium Sodium, Calcium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is not a characteristic of transition metals? Low ionization energy Tendency to gain electrons Low electronegativity Malleability Low ionization energy Tendency to gain electrons Low electronegativity Malleability ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the toxic heavy metals is found in modern tannery industries ? Zinc Nickel Chromium Lead Zinc Nickel Chromium Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ethanol containing 5% water is known as Methylated alcohol Power alcohol Rectified spirit Denatured spirit Methylated alcohol Power alcohol Rectified spirit Denatured spirit ANSWER DOWNLOAD EXAMIANS APP
Chemistry "Paramagnetism" is the property of Completely vacant electronic subshells Completely filled electronics subshells Unpaired electrons Paired electrons Completely vacant electronic subshells Completely filled electronics subshells Unpaired electrons Paired electrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry A solution is A solid dissolved i water A homogeneous mixture of two or more substances A solid dissolved in a liquid A mixture of two liquids A solid dissolved i water A homogeneous mixture of two or more substances A solid dissolved in a liquid A mixture of two liquids ANSWER DOWNLOAD EXAMIANS APP