HARD
10th CBSE
IMPORTANT
Earn 100

Show the formation of NaCl from sodium and chlorine atoms by the transfer of electrons.

Important Questions on Metals and Non - Metals

HARD
10th CBSE
IMPORTANT
SCIENCE CHEMISTRY Part-II>Chapter 3 - Metals and Non - Metals>Summative Assessment>Q 8
Explain the refining of impure copper metal ?
EASY
10th CBSE
IMPORTANT
SCIENCE CHEMISTRY Part-II>Chapter 3 - Metals and Non - Metals>Summative Assessment>Q 9
Explain the meaning of malleable and ductile? Give two examples of each.
MEDIUM
10th CBSE
IMPORTANT
SCIENCE CHEMISTRY Part-II>Chapter 3 - Metals and Non - Metals>Summative Assessment>Q 10
What are amphoteric oxides? Give two examples of such oxides.
MEDIUM
10th CBSE
IMPORTANT
SCIENCE CHEMISTRY Part-II>Chapter 3 - Metals and Non - Metals>Summative Assessment>Q 11
What happens when metals react with water? Give equations with example.
HARD
10th CBSE
IMPORTANT
SCIENCE CHEMISTRY Part-II>Chapter 3 - Metals and Non - Metals>Summative Assessment>Q 12
What happens when metals react with dilute acid? Give one example.
MEDIUM
10th CBSE
IMPORTANT
SCIENCE CHEMISTRY Part-II>Chapter 3 - Metals and Non - Metals>Summative Assessment>Q 13
What is the reactivity series of metals?
MEDIUM
10th CBSE
IMPORTANT
SCIENCE CHEMISTRY Part-II>Chapter 3 - Metals and Non - Metals>Summative Assessment>Q 14
Name a liquid metal and a non-metal. Name two metals having low melting points.
HARD
10th CBSE
IMPORTANT
SCIENCE CHEMISTRY Part-II>Chapter 3 - Metals and Non - Metals>Summative Assessment>Q 15
Why food cans are coated with tin metal and not zinc metal?