Chemistry Which of the following metals can displace copper from copper sulphate solution ? Iron Mercury Platinum Gold Iron Mercury Platinum Gold ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used in welding broken pieces of iron rails and machine parts? Aluminium powder Solder Aluminium sulphate None of these Aluminium powder Solder Aluminium sulphate None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as a preservative to protect processed food? Sodium sulphate Saccharin Sodium metabisulphite BHT Sodium sulphate Saccharin Sodium metabisulphite BHT ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is not a characteristic of transition metals? Low electronegativity Tendency to gain electrons Low ionization energy Malleability Low electronegativity Tendency to gain electrons Low ionization energy Malleability ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the second largest component in milk ? Fat Sugar Water Minerals Fat Sugar Water Minerals ANSWER DOWNLOAD EXAMIANS APP
Chemistry The product, 9-nitroanthracene is obtained from anthracene by the action of Nitric acid and acetic anhydride Nitric acid in excess Nitric acid and ethyl alcohol Nitric acid and acetic acid Nitric acid and acetic anhydride Nitric acid in excess Nitric acid and ethyl alcohol Nitric acid and acetic acid ANSWER DOWNLOAD EXAMIANS APP
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