Question

CHEMISTRY
Section-
1. Chadwick discovered a subatomic particle which has charge and has masarly
equal to that of a proton. Name the particle and give its location
2. What is tincture of iodine? Identify solute and solventi
3. Which one of the following is not be observed when Carbon dicaphides to
mixture of iron filling and sulphur in a boung tube
a) Iron fillings remain unaffected
by Sulphur will disolve and a yellow solution is obtained
c) Iron sulphide is formed
d) Iron fillings will be settled in a yellow solution​

Answer 1

Answer:

1. hydrogen. it is placed in group 1 and period 1 in the modern periodic table.

2. Tincture of iodine is the weak iodine solution. In this the solute is iodine and the solvent is alcohol and water.

3. (c) iron sulphide is formed