The gas that is the most dangerous pollutant to human is<...
The gas that is the most dangerous pollutant to human is
sulphur (IV) oxide
carbon (IV) oxide
nitrogen (II) oxide
hydrogen sulphide
Correct answer is D
No explanation has been provided for this answer.
An element Z contains 80% of \(^{16} _8\)Z and 20% of \(^{18} _8\)Z. Its relative atomic mass is...
The strength of metallic bonds depends on the ...
Which of the following scientists discovered the electrons? ...
Sodium chloride has no solubility product value because of its? ...
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Hydrogen bonds are formed between molecules containing a hydrogen atom bonded to a ...