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प्रश्न
Name the following.
Gases that are harmful to the ozone layer
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उत्तर
Carbon tetrachloride
संबंधित प्रश्न
Why can’t we see air?
Tick (√) the correct alternative from the choice given for the following statement.
Rust is
Tick (√) the correct alternative from the choice given for the following statement.
Fuels which do not leave any residue on burning are
State the meaning of the term atmosphere.
Fill in the blank:
Rusting is a chemical reaction which involves _____ oxidation.
What is global warming?
About 78% of the volume of air is ______.
In a number of musical instruments, air plays an important role. Can you name some such instruments?
In the boxes of Column, I the letters of some words got jumbled. Arrange them in proper form in the boxes given in Column II
| Column I | Column II | ||
| (a) | \[\boxed{\text{D}}\]\[\boxed{\text{I}}\]\[\boxed{\text{L}}\]\[\boxed{\text{L}}\]\[\boxed{\text{M}}\]\[\boxed{\text{W}}\]\[\boxed{\text{I}}\]\[\boxed{\text{N}}\] | (a) | `squaresquaresquaresquaresquaresquaresquare square` |
| (b) | \[\boxed{\text{Y}}\]\[\boxed{\text{N}}\]\[\boxed{\text{O}}\]\[\boxed{\text{G}}\]\[\boxed{\text{X}}\]\[\boxed{\text{E}}\] | (b) | `squaresquaresquaresquaresquare square` |
| (c) | \[\boxed{\text{M}}\]\[\boxed{\text{E}}\]\[\boxed{\text{S}}\]\[\boxed{\text{K}}\]\[\boxed{\text{O}}\] | (c) | `squaresquaresquaresquaresquare` |
| (d) | \[\boxed{\text{T}}\]\[\boxed{\text{U}}\]\[\boxed{\text{D}}\]\[\boxed{\text{S}}\] | (d) | `squaresquaresquare` |
Make sentences using the given set of words.
Air, wind, motion, called
