EASY
9th ICSE
IMPORTANT
Earn 100

Name the gas that turns moist red litmus blue.

Important Questions on Practical Work

EASY
9th ICSE
IMPORTANT
Name the gas that does not affect acidified K2Cr2O7 paper but turns lime water milky.
EASY
9th ICSE
IMPORTANT
Affect acidified K2Cr2O7 paper and also turns lime water milky.
EASY
9th ICSE
IMPORTANT
What do you observe when CO2 is passed through lime water first and then a little in excess ?
EASY
9th ICSE
IMPORTANT
What do you observe when HCl is passed through silver nitrate solution ?
EASY
9th ICSE
IMPORTANT
What do you observe when H2S is passed through lead nitrate solution ?
EASY
9th ICSE
IMPORTANT
What do you observe when Cl2 is passed through potassium iodide solution ?
EASY
9th ICSE
IMPORTANT
What do you observe when cobalt chloride paper is introduced in water vapour ?
EASY
9th ICSE
IMPORTANT
Name two carbonates that do not produce carbon dioxide on heating.