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6. State the method used for collecting the following gases
a] Oxygen - a gas slightly soluble in water.

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Answered by adityarajsinhgohil99
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State the method used for collecting the following gases-

(a) Oxygen – a gas slightly soluble in water.

(b) Ammonia – a gas highly soluble in water and lighter than air.

(c) Sulphur dioxide – a gas highly soluble in water and heavier than air.

introduction of chemistry icse class-6

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answered Sep 24, 2018 by Minu (46.0k points)

selected Sep 24, 2018 by faiz

(a) The method used for collecting oxygen gas is downward displacement of water. In this method, the gas jar is filled with water and inverted over the beehive shelf, so that the water is displaced downwards and oxygen is collected upwards.

(b) The method used for collecting ammonia gas is downward displacement of air. This method is used for gases like ammonia which is soluble in water and lighter than air.

(c) The method used for collecting SO2 is upward displacement of air. This method is used for gases like SO2 which is soluble in water and heavier than air.

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