Which of the following is an element ?
(1) Oxygen gas
(ii) Carbon dioxide gas
(iii) Sulphur dioxide gas
(iv) Nitrogen dioxide gas
Answers
Answered by
4
Answer:
oxygen gass
Step-by-step explanation:
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Answered by
2
Answer:
Oxygwn gas is an element
Carbon dioxide,Sulphur dioxide and Nitrogen dioxide are mixture of two gases.
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