EASY
10th Mizoram Board
IMPORTANT
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Write the electron-dot structures for sodium, oxygen, and magnesium.

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