HARD
11th ICSE
IMPORTANT
Earn 100

Consider the following oxides: GeO, CO2, CO, GeO2, SiO2, SnO2, SnO, Which of the following option is correct?

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Important Questions on The p-Block Elements

HARD
11th ICSE
IMPORTANT
Which of the following is used to convert alcohol to petroleum directly?
HARD
11th ICSE
IMPORTANT
Carbon dioxide is passed through a suspension of powdered limestone in water. Write balanced chemical equation for the above reaction.
MEDIUM
11th ICSE
IMPORTANT
Select the members of group-14 that forms the most acidic dioxide.
MEDIUM
11th ICSE
IMPORTANT
Select the members of group-14 that is commonly found in +2 oxidation state.
MEDIUM
11th ICSE
IMPORTANT
Out of CCl4 and PbCl4, which one reacts with water?
MEDIUM
11th ICSE
IMPORTANT
What are the basic units of the larger structure of orthoboric acid? How are they bonded?
MEDIUM
11th ICSE
IMPORTANT

Complete and balance the following chemical equations.

BF3+(CH3)3N

MEDIUM
11th ICSE
IMPORTANT

Complete and balance the following chemical equations.

BCl3+H2O