EASY
9th ICSE
IMPORTANT
Earn 100

Name a gas with rotten egg smell.

Important Questions on Practical Work

EASY
9th ICSE
IMPORTANT
Distinguish by heating the following in dry test tube. Zinc carbonate, copper carbonate, lead carbonate.
EASY
9th ICSE
IMPORTANT
Distinguish by heating by following by dry test tube. Zinc nitrate and copper nitrate.
EASY
9th ICSE
IMPORTANT
Distinguish by heating the following in dry test tube. Copper sulphate and copper carbonate.
EASY
9th ICSE
IMPORTANT
Distinguish by heating the following in dry test tube. Ammonium chloride and iodine.
EASY
9th ICSE
IMPORTANT
Match the following:
Column A Column B
Pb(NO3)2 Rotten egg smell
CO2 Burns with pop sound
(NH4)2Cr2O7 Suffocating smell of sulphur
HCI Lime water turns milky
NO2 Crackling sound
02 Residue swells up
H2 Brown gas
H2S Supports combustion
SO2 Fumes with NH, solution​

 

MEDIUM
9th ICSE
IMPORTANT
Distinguish by dilute sulphuric acid. Sodium sulphite and Sodium carbonate.
EASY
9th ICSE
IMPORTANT
Distinguish by dilute sulphuric acid. Copper and Magnesium.
EASY
9th ICSE
IMPORTANT
Distinguish by dilute sulphuric acid, sodium sulphite and sodium sulphite.