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Answer :

: Chemical signal of nitric oxide HNO3

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Last Answer : D. Nitrous oxide (Answer)

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Last Answer : : The chemical signal of sodium oxide is Na2O

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Last Answer : Chemical signals of calcium oxide CaO

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Description : The reddish -brown gas formed when nitric oxide is oxidized by air is

Last Answer : The reddish -brown gas formed when nitric oxide is oxidized by air is A. `NO_(2)` B. `N_(2)O_(4)` C. `N_(2)O_(5)` D. `N_(2)O_(3)`

Description : The reddish -brown gas formed when nitric oxide is oxidized by air is

Last Answer : The reddish -brown gas formed when nitric oxide is oxidized by air is A. `NO_(2)` B. `N_(2)O_(4)` C. `N_(2)O_(5)` D. `N_(2)O_(3)`

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Last Answer : Ans:(c)

Description : Which of the following gases is known as “Laughing Gas”? (1) Nitrous oxide (2) Nitrogen peroxide (3) Nitrogen (4) Nitric oxide

Last Answer : (1) Nitrous oxide Explanation: Nitrous oxide (N2O) is commonly known as laughing gas. It is used in surgery and dentistry for its anaesthetic and analgesic effects. It is known as "laughing gas ... effects of inhaling it, a property that has led to its recreational use as a dissociative anaesthetic.

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Last Answer : (2) Sulphur dioxide gas Explanation: The mineral pyrite, or iron pyrite, is an iron sulfide with the formula FeS9. Pyrite remains in commercial use for the production of sulfur dioxide, for use in such applications as the paper industry, and in the manufacture of sulfuric acid.

Description : A powerful eye irritant present in smog is – (1) nitric oxide (2) sulphur dioxide (3) peroxyacetyl nitrate (4) carbon dioxide

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Last Answer : (2) Nitrous oxide Explanation: Laughing gas is Nitrous Oxide (N2O).

Description : Commercial nitric acid is coloured because it contains dissolved – (1) Oxygen (2) Nitrous oxide (3) Nitrogen dioxide (4) Coloured impurities

Last Answer : (3) Nitrogen dioxide Explanation: Commercial nitric acid has a brown colour due to dissolved NO2. The procedure of bubbling dry air through warm commercial nitric acid, is to drive away the dissolved nitrogen dioxide so that the acid becomes colourless.

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Last Answer : . all above

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Last Answer : (B) Ammonia

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