MEDIUM
10th CBSE
IMPORTANT
Earn 100

A solid compound has a high melting point. It does not conduct electricity in the solid-state but becomes a good conductor in the molten state. What type of chemical bonds are present in the compound?

Important Questions on Metals and Non-Metals

MEDIUM
10th CBSE
IMPORTANT
New Millenium Science - Chemistry Class X>Chapter 3 - Metals and Non-Metals>PRACTICE QUESTIONS SET>Q 15
What type of bonds is present in water molecule? Draw the electron-dot structure of water H2O molecule.
MEDIUM
10th CBSE
IMPORTANT
New Millenium Science - Chemistry Class X>Chapter 3 - Metals and Non-Metals>PRACTICE QUESTIONS SET>Q 1
What is the difference between a mineral and an ore?
MEDIUM
10th CBSE
IMPORTANT
New Millenium Science - Chemistry Class X>Chapter 3 - Metals and Non-Metals>PRACTICE QUESTIONS SET>Q 2
Name two metals which can occur in the free state as well as in the combined state.
MEDIUM
10th CBSE
IMPORTANT
New Millenium Science - Chemistry Class X>Chapter 3 - Metals and Non-Metals>PRACTICE QUESTIONS SET>Q 3
Name four elements which occur in free state. Where are they present in the activity series? Why?
MEDIUM
10th CBSE
IMPORTANT
New Millenium Science - Chemistry Class X>Chapter 3 - Metals and Non-Metals>PRACTICE QUESTIONS SET>Q 4
What chemical process is used for obtaining a metal from its oxide?
MEDIUM
10th CBSE
IMPORTANT
New Millenium Science - Chemistry Class X>Chapter 3 - Metals and Non-Metals>PRACTICE QUESTIONS SET>Q 5
In the electrolytic refining of impure copper metal, what is used as cathode and anode? 
MEDIUM
10th CBSE
IMPORTANT
New Millenium Science - Chemistry Class X>Chapter 3 - Metals and Non-Metals>PRACTICE QUESTIONS SET>Q 6
Name a reducing agent that may be used to obtain manganese from manganese dioxide.
HARD
10th CBSE
IMPORTANT
New Millenium Science - Chemistry Class X>Chapter 3 - Metals and Non-Metals>PRACTICE QUESTIONS SET>Q 7
Suggest different chemical processes used for obtaining a metal from its oxides for metals in the middle of the reactivity series and metals towards the top of the reactivity series. Support your answer with one example each.