A. 1
B. 3
C. zero
D. 2
Correct Answer: 3 ✔
Last Updated: February 11, 2021
Related MCQs
- In which compound nitrogen has maximum oxidation state__________?
- Oxygen does not react with all except__________?
- FeSO4 forms brown ring with__________?
- The gas which cannot be dried by conc. H2SO4 ?
- Which of the elements show passivity when treated with conc. HNO3?
- The element of group VIA which is a non-metal is__________?
- Which one of the following compounds usually smells like garlic ?
- The composition of brown ring in nitrate test is__________?
- Which one of the following is not the use of graphite ?
- Which of the following does not contain phosphorus ?
- Which one of following is not a property of pure quartz ?
- Phosphene gas will be produced if phosphorous acid is subjected to__________?
- The most electronegative element among the following is__________?
- Which one of the followings possesses melting point below 0°C?
- When sulphuric acid is treated with ethanol sulphuric acid behaves like__________?
- Arsenic oxides are removed by passing through__________?
- Oxygen and sulphur resemble in all except__________?
- The chemical composition of cinnabar is__________?
- Which allotropic form of phosphorous is the most stable ?
- All the elements in group VIA are __________ in nature?
- P2O5 is a hygroscopic powder which sublimes at__________?
- Phosphorous acid upon thermal decomposition yields phosphoric acid and__________?
- Acetic anhydride can be obtained by treating ethyl alcohol with__________?
- Allotropic form of phosphorus that is poisonous is__________?
- Phosphorus is a Greek word and it means__________?
- Which of the following will give phosphoric acid one reaction with water__________?
- SO3 is not absorbed in water directly because__________?
- Compounds of nitrogen and phosphorus are mostly__________?
- Which of the following is different with respect to physical appearance ?