A. N2
B. O2
C. N2 and O2
D. Ne
Correct Answer: Ne ✔
Last Updated: February 11, 2021
Related MCQs
- Addition of 2% gypsum in cement__________?
- Which one can form complex ?
- Second ionization potential of alkali metals are very high due to__________?
- Sodium is not observed in +2 oxidation state because of its__________?
- Which one of the following pairs shown diagonal relationship in the periodic table ?
- Which one of the following alkali metals forms only normal oxide when it reacts with O2 ?
- Gypsum is applied to the soil as a source of__________?
- In diaphragm cell hydrogen is discharged by the reduction of__________?
- Which one of the following carbonate is water insoluble ?
- Which one of the following substances conducts electricity by the movement of ions ?
- The ore CaSO4.H2O has the general name__________?
- Which of the following sulphates is not soluble in water ?
- Nitrates of which pair of elements give different products on thermal decomposition ?
- Which element is necessary for normal leaf development ?
- The word Alkali means__________?
- Which one is least ionic in nature and decompose on heating ?
- Which one is natron ?
- Which ion will have maximum value of heat of hydration ?
- Electrolysis of dilute solution of NaCl results at the anode__________?
- Carnalite has chemical formula__________?
- NaOH is named as caustic soda because__________?
- First ionization potential of alkaline earth metal is greater than alkali metals because__________?
- Alkali and alkaline earth metals impart colours when heated over burner. It is due to__________?
- In diaphragm cell level of brine in anode compartment is kept slightly higher which prevents__________?
- The deliquescence is a property in which a solid__________?
- Which one of the following gives white precipitate with aqueous solution of BaCl2?
- Crystals of Na2CO3. 10H2O when exposed to air__________?
- Ammonia may be prepared by heating ammonium chloride with__________?
- Downs cell is used to prepare__________?
- The element cesium bears resemblance with__________?
- Which one of the following is not an alkali metal ?
- Carbonates of lithium are not stable like that of sodium due to__________?
- Li is different from its family members due to__________?
- The oxides of beryllium BeO is__________?
- Formula of Chile saltpetre is__________?
- A elements are named as alkali metals because__________?