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
SCIENCE TEXTBOOK FOR CLASS X>Chapter 3 - Metals and Non-metals>QUESTIONS>Q 1
 What are the ions present in Na2O and MgO  compounds?
EASY
10th Mizoram Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS X>Chapter 3 - Metals and Non-metals>QUESTIONS>Q 2
Why do ionic compounds have high melting points?
EASY
10th Mizoram Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS X>Chapter 3 - Metals and Non-metals>QUESTIONS>Q 1

Define the following term: Mineral

EASY
10th Mizoram Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS X>Chapter 3 - Metals and Non-metals>QUESTIONS>Q 1

Define the following term: Ore

EASY
10th Mizoram Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS X>Chapter 3 - Metals and Non-metals>QUESTIONS>Q 1

Define the following term: Gangue

EASY
10th Mizoram Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS X>Chapter 3 - Metals and Non-metals>QUESTIONS>Q 2
Name two metals that are found in nature in the free state.
MEDIUM
10th Mizoram Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS X>Chapter 3 - Metals and Non-metals>QUESTIONS>Q 3
What chemical process is used for obtaining a metal from its oxide?
MEDIUM
10th Mizoram Board
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS X>Chapter 3 - Metals and Non-metals>QUESTIONS>Q 1
Metallic oxides of zinc, magnesium and copper were heated with the following metals.
Metal Zinc Magnesium Copper
Zinc oxide      
Magnesium oxide      
Copper oxide      

In which cases will you find displacement reactions taking place?