Question
Name five elements and five compounds those exist as gases at room temperature.
| No. | Elements |
| a. | Nitrogen |
| b. | Oxygen |
| c. | Hydrogen |
| d. | Chlorine |
| e. | Argon |
| No. | Compounds |
| a. | Carbon dioxide |
| b. | Carbon monoxide |
| c. | Nitrogen dioxide |
| d. | Sulphur dioxide |
| e. | Methane |
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