HARD
12th Maharashtra Board
IMPORTANT
Earn 100

What is the difference between allotropy and polymorphism?

Important Questions on Elements of Groups 16,17,and 18

MEDIUM
12th Maharashtra Board
IMPORTANT
Chemistry Standard 12>Chapter 7 - Elements of Groups 16,17,and 18>Try This
Why water in the fish pot needs to be changed time to time?
MEDIUM
12th Maharashtra Board
IMPORTANT
Chemistry Standard 12>Chapter 7 - Elements of Groups 16,17,and 18>Try This>Q a
Ozone is used as bleaching agent. Explain.
MEDIUM
12th Maharashtra Board
IMPORTANT
Chemistry Standard 12>Chapter 7 - Elements of Groups 16,17,and 18>Try This>Q b
Why does ozone act as a powerful oxidising agent?
MEDIUM
12th Maharashtra Board
IMPORTANT
Chemistry Standard 12>Chapter 7 - Elements of Groups 16,17,and 18>Try This>Q i
Give the reasons for bleaching action of chlorine.
MEDIUM
12th Maharashtra Board
IMPORTANT
Chemistry Standard 12>Chapter 7 - Elements of Groups 16,17,and 18>Try This>Q ii
Name the two gases used in war.
MEDIUM
12th Maharashtra Board
IMPORTANT
Chemistry Standard 12>Chapter 7 - Elements of Groups 16,17,and 18>Can you recall ?>Q •
Which type of bonds do halogens form with other elements?
HARD
12th Maharashtra Board
IMPORTANT
Chemistry Standard 12>Chapter 7 - Elements of Groups 16,17,and 18>Can you recall ?>Q •
Does BrF5 obey the octet rule?
MEDIUM
12th Maharashtra Board
IMPORTANT
Chemistry Standard 12>Chapter 7 - Elements of Groups 16,17,and 18>Can you recall ?>Q •
What is the oxidation state of Br in BrF5?