Question

Fill in the Blanks :
1. Molecular formula of the chloride of an element Xis XCI. This compound is a solo have
high melting point. Which of the following elements be present in the same group as
Na b) Mg c) Al d) Si
2. When electric current is passed through acidulated water_____
of water takes place
3. Eka-aluminium is called ____
4. In which block of the modern periodic table are the nonmetals found ?
a) s-block b) p-block c) d-block d) f-block
5.______are used to prevent oxidation of food.
6. Calcium carbonate is heated. The reaction is a_________
reaction.
reaction
7.Silver nitrate solution is added to NaCl solution. The reaction is a________
The group
8.The group ________ contains the members of the halogen family.
00​

Answer 1

Answer:

1.Na

4.p- block

8.group 18

Answer 2

Answer:

1)Na

2)elecrolysis

3)gallium

4)p block

5) antioxidants

6) decomposition

7)double displacement reaction

8)17th group