Please select a subject first
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Name: A brown gas
Concept: undefined >> undefined
Name: A greenish-yellow gas.
Concept: undefined >> undefined
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Name: Two nitrates that do not produce nitrogen dioxide on heating.
Concept: undefined >> undefined
What is observed in performing the following :
| Hydrogen | Oxygen | Carbon dioxide | Chlorine | |
| Litmus test | ||||
| Apply a burning splint to the gas | ||||
| Colour of gas | colourless | colourless | colourless | greenish-yellow |
| Odour of gas |
Concept: undefined >> undefined
State the original colour of the following substance and colour of residue obtained after heating.
Ammonium dichromate
Concept: undefined >> undefined
State the original colour of the following substance and colour of residue obtained after heating.
Copper carbonate
Concept: undefined >> undefined
State the original colour of the following substance and colour of residue obtained after heating.
Lead nitrate
Concept: undefined >> undefined
State the original colour of the following substance and colour of residue obtained after heating.
Zinc carbonate
Concept: undefined >> undefined
What do you observe when HCI is passed through a silver nitrate solution.
Concept: undefined >> undefined
What do you observe when H2S is passed through a lead nitrate solution.
Concept: undefined >> undefined
What do you observe when Cl2 is passed through potassium iodide (KI) solution.
Concept: undefined >> undefined
What do you observe when Cobalt chloride paper is introduced in water vapour.
Concept: undefined >> undefined
Give a chemical test to distinguish between the following gases.
H2 and CO2
Concept: undefined >> undefined
Give a chemical test to distinguish between the following gases.
CO2 and SO2
Concept: undefined >> undefined
Give a chemical test to distinguish between the following gases.
H2 and O2
Concept: undefined >> undefined
Give a chemical test to distinguish between the following gases.
HCl and H2S
Concept: undefined >> undefined
Give a chemical test to distinguish between the following gases.
HCl and Cl2
Concept: undefined >> undefined
Give a chemical test to distinguish between the following gases.
NH3 and HCl
Concept: undefined >> undefined
Give a chemical test to distinguish between the following gases.
SO2 and Cl2
Concept: undefined >> undefined
Give a chemical test to distinguish between the following gases.
NH3 and SO2
Concept: undefined >> undefined
