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CBSE - VI - Science - Air Around Us

What will happen if oxygen on earth stop for 5 seconds

Asked by vishvjeetjakhar 28th February 2019, 9:11 PM
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CBSE - VI - Science - Air Around Us

How is oxygen refilled in the atmosphere?

Asked by Topperlearning User 6th February 2018, 1:52 PM
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CBSE - VI - Science - Air Around Us

What happens when a burning substance is covered with a woolen blanket?

Asked by Topperlearning User 6th February 2018, 1:49 PM
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CBSE - VI - Science - Air Around Us

How are plants and animals interdependent in nature?

Asked by Topperlearning User 6th February 2018, 1:49 PM
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CBSE - VI - Science - Air Around Us

Give any three properties of oxygen gas.

Asked by Topperlearning User 6th February 2018, 1:49 PM
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CBSE - VI - Science - Air Around Us

Write some important uses of oxygen.

Asked by Topperlearning User 6th February 2018, 1:49 PM
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CBSE - VI - Science - Air Around Us

Describe an activity to show that air (oxygen) is necessary for the combustion of substances.

Asked by Topperlearning User 31st October 2017, 9:32 AM
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CBSE - VI - Science - Air Around Us

What is rusting?

Asked by Topperlearning User 7th October 2014, 1:47 PM
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CBSE - VI - Science - Air Around Us

Why do you think, mountaineers carry oxygen cylinders with them, while climbing high mountains?

Asked by Topperlearning User 20th August 2014, 1:08 PM
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CBSE - VI - Science - Air Around Us

Why earthworms come out of the soil only during heavy rains?

Asked by Topperlearning User 25th April 2014, 12:18 PM
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CBSE - VI - Science - Air Around Us

Why do sea divers carry oxygen gas cylinders along with them when going deep into water?

Asked by Topperlearning User 25th April 2014, 12:16 PM
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CBSE - VI - Science - Air Around Us

With the help of an activity, show that water contains dissolved air in it.

Asked by Topperlearning User 25th April 2014, 12:16 PM
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CBSE - VI - Science - Air Around Us

What if the percentage of oxygen in the air reaches to 70%?

Asked by Topperlearning User 25th April 2014, 12:14 PM
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CBSE - VI - Science - Air Around Us

How do the organisms that live in soil get the air they need, for respiration?

Asked by Topperlearning User 25th April 2014, 12:13 PM
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