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Chemistry > Identification Of Gases > Flashcards

Identification Of Gases Flashcards

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1
Q

Ammonia
Colour/Smell
Density
Solubility

A

Colourless/pungent
Lighter
Extremely soluble

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2
Q

Carbon dioxide
Colour/Smell
Density
Solubility

A

Colourless/ no smell
Heavier
Slightly soluble

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3
Q

Chlorine
Colour/Smell
Density
Solubility

A

Greenish yellow/ irritating
Much heavier
Soluble

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4
Q

Hydrogen
Colour/Smell
Density
Solubility

A

Colourless/ no smell
Much lighter
Insoluble

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5
Q

Hydrogen chloride
Colour/Smell
Density
Solubility

A

Colourless/ irritating
Slightly heavier
Very soluble

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6
Q

Oxygen
Colour/Smell
Density
Solubility

A

Colourless/ no smell
Same as air
Slightly Soluble

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7
Q

Sulphur dioxide
Colour/Smell
Density
Solubility

A

Colourless/irritating
Heavier
Very soluble

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8
Q

Nitrogen
Colour/Smell
Density
Solubility

A

Colourless/none
Slightly lighter
Slightly soluble

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9
Q

Nitrogen dioxide
Colour/Smell
Density
Solubility

A

Brown/ irritating
Much heavier
Very soluble

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10
Q

How to collect insoluble gases?

A

In water as it will bubble to the top

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11
Q

How to collect heavier gases?

Name?

A

The transferring tube to go down and it’s called downward displacement of gases

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12
Q

How to collect lighter gases? Name?

A

Collect it in transferring tubes going upwards. It’s called upward displacement of gases

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13
Q

Name of acidic drying agent?

A

Concentrated sulphuric acid

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14
Q

Name of alkaline drying agent?

A

Calcium oxide or calcium hydroxide

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Chemistry (6 decks)

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