Chemistry
From — Na2O, SO2, SiO2, Al2O3, MgO, CO — Select an oxide which dissolves in water forming an acid.
Related Questions
Match the salts given in column I with their method of preparation given in column II.
Column I Column II (i) Pb(NO3)2 from PbO (A) Simple displacement (ii) MgCl2 from Mg (B) Titration (iii) FeCl3 from Fe (C) Neutralization (iv) NaNO3 from NaOH (D) Precipitation (v) ZnCO3 from ZnSO4 (E) Combination Match the salts given in column A to their methods of preparation in column B. Write a balanced equation for each preparation.
Column A Column B Zinc sulphate Precipitation Ferrous sulphide Oxidation Barium sulphate Displacement Ferric sulphate Neutralisation Sodium sulphate Synthesis. From the list given below, which one is :
- a deliquescent compound
- a compound soluble in hot water but insoluble in cold water
- a compound which in the aqueous solution state, is neutral in nature.
A. Nitroso iron [II] sulphate
B. Iron [III] chloride
C. Chromium sulphate
D. Lead chloride
E. Sodium chlorideFrom the list of salts — AgCl, MgCl2, NaHSO4, PbCO3, ZnCO3, KNO3, Ca(NO3)2
Choose the salt that most appropriately fits the description given below :
(i) a deliquescent salt
(ii) an insoluble chloride.