Chemistry
From — Na2O, SO2, SiO2, Al2O3, MgO, CO — Select an oxide which dissolves in water forming an acid.
Related Questions
Match the following:
Column A Column B (i) Acid salt (A) Ferrous ammonium sulphate (ii) Double salt (B) Contains only ions (iii) Ammonium hydroxide solution (C) Sodium hydrogen sulphate (iv) Dilute hydrochloric acid (D) Contains only molecules (v) Carbon tetrachloride (E) Contains ions and molecules 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 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.