A. ionic only B. covalent only C. ionic and dative covalent D. dative covalent Correct Answer: Option C C. ionic…
A. electrovalent bond B. co-ordinate bond C. ionic bond D. covalent bond Correct Answer: Option B B. co-ordinate bond Explanation…
A. 150°C B. 177°C C. 75°C D. 120°C Correct Answer: Option B B. 177°C
A. XY B. X2Y C. Y2X3 D. X2Y3 Correct Answer: Option C C. Y2X3
A. which contains protons and neutrons B. which is positively charged C. which is massive and can cause deflection of…
A. SO3 is an acidic gas B. Acid is usually added to water and not water to acid C. The…
A. N2O, H2O, CO B. N2O, SO2, CO C. N2O, Na2O, ZnO D. N2O, SO3, NO Correct Answer: Option A…
A. chlorine attacks the starch to give the blue-black color B. chlorine attacks the iodide ion to give the blue-black…
A. HCl(aq) and Cl2 B. HOCl(aq) and Cl2 C. HCl(aq) and O2 D. HOCl(aq) and O2 Correct Answer: Option C…
A. Calcium B. Beryllium C. Magnesium D. Strontium Correct Answer: Option A A. Calcium