Chemistry
Distinguish between the following as directed.
(a) Ammonium chloride and sodium chloride on the basis of heating
(b) Ferric salt and ferrous salt by using ammonium hydroxide
Related Questions
The following is a list of methods for the preparation of salts:
A — direct combination of two elements
B — reaction of a dilute acid with a metal
C — reaction of a dilute acid with an insoluble base
D — titration of a dilute acid with a solution of soluble base.
E — reaction of two solutions of salts to form a precipitate.
Choose from the list A to E, the best method of preparing the following salts by giving a suitable equation in each case:
- Copper (II) Sulphate
- Calcium Carbonate
- Zinc sulphate
Draw the electron dot structure for the following
(a) Hydronium ion
(b) Methane
Name the ions present in each of the following
(a) NaCl
(b) CH3COOH
(c) H2O
With reference to the first three periods of the modern periodic table, answer the questions given below.
(a) What features of the atomic structure accounts for the similarities in the chemical properties of the elements in group VII A of the periodic table?
(b) Name the element which has the highest ionisation potential.
(c) What is the atomic number and name of the element present in 3rd period and 17th group of the periodic table?