EASY
10th Mizoram Board
IMPORTANT
Earn 100

Show the formation of Na2O and MgO by the transfer of electrons.

Important Questions on Metals and Non-metals

EASY
10th Mizoram Board
IMPORTANT
 What are the ions present in Na2O and MgO  compounds?
EASY
10th Mizoram Board
IMPORTANT
Name two metals that are found in nature in the free state.
EASY
10th Mizoram Board
IMPORTANT
Which metals do not corrode easily?
EASY
10th Mizoram Board
IMPORTANT
You are given a hammer, a battery, a bulb, wires and a switch.

(a) How could you use them to distinguish between samples of metals and non-metals?

(b) Access the usefulness of these tests in distinguishing between metals and non-metals.

EASY
10th Mizoram Board
IMPORTANT
Name two metals which will displace hydrogen from dilute acids and two metals which will not.
EASY
10th Mizoram Board
IMPORTANT
In the electrolytic refining of a metal M, what would you take as the anode, the cathode and the electrolyte?
MEDIUM
10th Mizoram Board
IMPORTANT
What type of oxides are formed when non-metals combine with oxygen?
MEDIUM
10th Mizoram Board
IMPORTANT
Give reasons: Sodium, potassium and lithium are stored under oil.