Chemistry
Choose the role played by different solutions as A, B, C, which is responsible for the observation given in 1 to 3.
A. Solution X is a sodium hydroxide solution.
B. Solution Y is a weak acid.
C. Solution Z is dilute sulphuric acid.
(1) Liberate sulphur dioxide from sodium sulphite?
(2) Give a white precipitate with zinc sulphate solution?
(3) Contain solute molecules and ions?
Related Questions
If 6 L of hydrogen and 4 L of chlorine are mixed and exploded and if water is added to the gases formed, find the volume of the residual gas.
Define
(a) Relative molecular mass.
(b) Alkanes.
X[2, 8, 8, 1] and Y[2, 8, 18, 7] are two elements. Using this information complete the following:
(a) …………… is the metallic element.
(b) Formula of the molecule of Y is ……………
(c) …………… is bad conductor of electricity.
Identify the anion present in each of the following compounds.
(a) Compound Z which on reacting with dilute sulphuric acid liberates a gas which has no effect on acidified potassium dichromate but turns lime water milky.
(b) The solution of compound L on reacting with freshly prepared ferrous sulphate solution followed by addition of few drops of concentrated sulphuric acid to the reactants along the sides of a test tube forms a brown ring at the junction of the two liquids.