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Assuming temperature remaining constant calculate the pressure of the gas in the following:
The pressure of a gas having volume 100 lits. originally occupying 75 dm3 at 700 mm. pressure.
Concept: undefined >> undefined
Assuming temperature remaining constant calculate the pressure of the gas in the following:
The pressure of a gas having volume 380 lits. originally occupying 800 cm3 at 76 cm. pressure.
Concept: undefined >> undefined
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Assuming temperature remaining constant calculate the pressure of the gas in the following:
The pressure of a gas having volume 1800 ml. originally occupying 300 ml. at 6 atms. pressure.
Concept: undefined >> undefined
Assuming temperature remaining constant calculate the pressure of the gas in the following:
The pressure of a gas having volume 1500 cm3 originally occupying 750 cc. at 5 ats. pressure.
Concept: undefined >> undefined
Fill in the blank with the correct word, from the words in option:
If the pressure of a fixed mass of a gas is kept constant and the temperature is increased, the volume correspondingly _______
Concept: undefined >> undefined
Fill in the blank with the correct word, from the words in option:
1 dm3 of a gas is equal to _______.
Concept: undefined >> undefined
Give a chemical test to distinguish between the following gases:
Hydrogen and oxygen
Concept: undefined >> undefined
Give a chemical test to distinguish between the following gases:
Ammonia and hydrogen chloride
Concept: undefined >> undefined
On heating which of the following substances i.e. copper carbonate, zinc carbonate, washing soda, copper sulphate, zinc nitrate, copper nitrate, lead nitrate, ammonium chloride and ammonium dichromate – relate to the reaction given below.
A coloured substance which decomposes violently leaving a coloured residue and evolving two neutral gases one of which is unreactive or inert in nature.
Concept: undefined >> undefined
Select the correct salt from list II which on thermal decomposition exhibits the change in colour from list I.
| List I | List II |
| 1. Light green to black | A: Copper carbonate |
| 2. White to yellow [heated state] | B: Hydrated Copper sulphate |
| 3. Blue to black | C: Copper nitrate |
| 4. Orange to green | D: Ammonium dichromate |
| 5. Blue to white | E: Zinc nitrate |
Concept: undefined >> undefined
State which of the substance given below evolve oxygen gas on thermal decomposition.
Zinc carbonate
Concept: undefined >> undefined
State which of the substance given below evolve oxygen gas on thermal decomposition.
Washing soda
Concept: undefined >> undefined
State which of the substance given below evolve oxygen gas on thermal decomposition.
Lead nitrate
Concept: undefined >> undefined
State which of the substance given below evolve oxygen gas on thermal decomposition.
Ammonium dichromate
Concept: undefined >> undefined
Complete the table given below.
| Heat on Copper Nitrate | Colour of acidic gas evolved |
Concept: undefined >> undefined
State which of the substance given below evolve oxygen gas on thermal decomposition.
Trilead tetroxide
Concept: undefined >> undefined
State which of the substance given below evolve oxygen gas on thermal decomposition.
Zinc nitrate
Concept: undefined >> undefined
State which of the substance given below evolve oxygen gas on thermal decomposition.
Mercury [II] oxide
Concept: undefined >> undefined
State which of the substance given below evolve oxygen gas on thermal decomposition.
Anhydrous copper sulphate
Concept: undefined >> undefined
State why ‘Water is considered a universal solvent’. Give the reason for the same.
Concept: undefined >> undefined
