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प्रश्न
Fill in the blank:
A candle burns in a jar of oxygen, but gets extinguished in ______
उत्तर
A candle burns in ajar of oxygen, but gets extinguished in nitrogen.
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संबंधित प्रश्न
Why can’t we see air?
Name two important processes supported by oxygen present in air.
Fill in the blank
Although we cannot see air, we can ___it.
Describe a simple experiment with the help of a diagram to show that Air has mass
A mixture has a variable composition. Give three other reasons why air is considered a mixture and not a compound.
Air has variable composition and hence there is ______ oxygen at lower altitudes than at higher altitudes.
What is global warming?
Which of the following statements is incorrect?
Make sentences using the given set of words.
Air, wind, motion, called
Match the items of Column I with the items of Column II
| Column-I | Column-ll | ||
| (a) | Weather cock | (i) | Gases and fine dust particles |
| (b) | Mountaineers | (ii) | Sailing yacht |
| (c) | Fine hair inside the nose | (iii) | Oxygen cylinders |
| (d) | Smoke | (iv) | Direction of airflow |
| (e) | Wind | (v) | Prevent dust particles |
