The hybridization of the carbon atom in ethyne is
The hybridization of the carbon atom in ethyne is A. sp 4 B. sp 3 C. sp2 D.…
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An example of a neutral oxide is
An example of a neutral oxide is A. AL2O3 B. NO2 C. CO2 D. CO E. SO2 Correct…
3Cl2 + 2NH3 (to) N2 + 6HCl. In the above reaction, ammonia acts as
3Cl2 + 2NH3 (to) N2 + 6HCl. In the above reaction, ammonia acts as A. a reducing agent…
Which of the following statements is NOT true of carbon monoxide?
Which of the following statements is NOT true of carbon monoxide? A. CO is poisonous B. CO is…
From the reactions : ZnO + Na2O (to) NaZnO and ZnO + CO2 (to) ZnCO3…
From the reactions : ZnO + Na2O (to) NaZnO and ZnO + CO2 (to) ZnCO3 it may be…
An element that can exist in two or more different structural forms which possess the…
An element that can exist in two or more different structural forms which possess the same chemical properties…
In dilute solution the heat of the reaction NaOH + HCl = NaCl + H2O…
In dilute solution the heat of the reaction NaOH + HCl = NaCl + H2O is – 57.3kJ.…
Which of the following methods may be used to prepare trioxonitrate (V) acid (nitric acid)…
Which of the following methods may be used to prepare trioxonitrate (V) acid (nitric acid) in the laboratory?…
Lime – water, which is used in the laboratory for the detection of carbon(iv)oxide is…
Lime – water, which is used in the laboratory for the detection of carbon(iv)oxide is an aqueous solution…