Chemical-Formulae-and-Equations Related Question Answers

1. The suitable apparatus to measure the volume of gas given off is






2. pH is an abbreviation of






3. At high temperatures, enzyme






4. Examples of sublime substances do not include






5. The ions remaining unchanged in both reactants and products are called as






6. Amphoteric oxides react with acids to form






7. in order to get the product of lead nitrate, the lead oxide shall react with






8. In the electrolysis of concentrated HCl, Cl2 is given off at cathode due to






9. The symbol of iron is






10. The formula of aluminum sulphate indicates that






11. Old paintings became discolourised due to






12. Sea water has a pH of






13. The sulphite ion can be written symbolically as






14. Pure substances






15. In CuO, the valency of Copper is






16. The phase never gained in sublimation is






17. Relative molecular mass of sulphuric acid is






18. In one molecule of sulphuric acid,






19. The nucleon number of an element is equal to the






20. The chemical formula of sodium sulphite is






21. Rate of diffusion






22. When carbon ions react with carbon dioxide gas, the product will be






23. The formula ZnCl2 indicates that the charge on zinc ion is






24. pH values has a range of






25. The molar mass of Calcium Carbonate CaCO3 is











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