31 - 40 of 51 Questions
# | Question | Ans |
---|---|---|
31. |
The gas formed when ammonium trioxonitrate (V) is heated with sodium hydroxide is? A. hydrogen B. nitrogen (IV) oxide C. oxygen D. ammonium |
D |
32. |
The gas formed when ammonium trioxonitrate (V) is heated with sodium hydroxide is? A. hydrogen B. nitrogen (IV) oxide C. oxygen D. ammonium |
D |
33. |
Safety matches contain sulphur and? A. potassium trioxochlorate (V) B. potassium trioxonitrate (V) C. charcoal D. phosphorus sulphide |
D |
34. |
Addition of an aqueous solution of a salt gives a white precipitate. The salt is likely to be a? A. nitrate B. carbonate C. chloride D. sulphide |
B |
35. |
Sodium hydroxide solution can be conveniently stored in a container made of? A. lead B. zinc C. aluminium D. copper |
D |
36. |
Which of the following is NOT used as a raw material in the Solvay process? A. Ammonia B. Sodium chloride C. Calcium trioxocarbonate (IV) D. Sodium trioxocarbonate (IV) |
D |
37. |
Duralumin consists of aluminium, copper, ? A. zinc and gold B. lead and maganese C. nickle and silver D. manganese and magnesium |
D |
38. |
CaOs + H2O(l) → Ca(OH)2(s) ΔH -65 kj. The process represented by the above equation is known as? A. dissolution B. slaking C. liming D. mortaring |
B |
39. |
The carbon atoms in ethene are? A. sp3 hybridized B. sp hybridized C. sp2 hybridized D. not hybridized |
C |
40. |
Which of the following compounds reacts with sodium metal as well as silver and copper salts ? A. CH3C Ξ C—CH3 B. CH3CH2CH23> C. CH3C Ξ CH D. CH3CH = CH CH3 |
C |
31. |
The gas formed when ammonium trioxonitrate (V) is heated with sodium hydroxide is? A. hydrogen B. nitrogen (IV) oxide C. oxygen D. ammonium |
D |
32. |
The gas formed when ammonium trioxonitrate (V) is heated with sodium hydroxide is? A. hydrogen B. nitrogen (IV) oxide C. oxygen D. ammonium |
D |
33. |
Safety matches contain sulphur and? A. potassium trioxochlorate (V) B. potassium trioxonitrate (V) C. charcoal D. phosphorus sulphide |
D |
34. |
Addition of an aqueous solution of a salt gives a white precipitate. The salt is likely to be a? A. nitrate B. carbonate C. chloride D. sulphide |
B |
35. |
Sodium hydroxide solution can be conveniently stored in a container made of? A. lead B. zinc C. aluminium D. copper |
D |
36. |
Which of the following is NOT used as a raw material in the Solvay process? A. Ammonia B. Sodium chloride C. Calcium trioxocarbonate (IV) D. Sodium trioxocarbonate (IV) |
D |
37. |
Duralumin consists of aluminium, copper, ? A. zinc and gold B. lead and maganese C. nickle and silver D. manganese and magnesium |
D |
38. |
CaOs + H2O(l) → Ca(OH)2(s) ΔH -65 kj. The process represented by the above equation is known as? A. dissolution B. slaking C. liming D. mortaring |
B |
39. |
The carbon atoms in ethene are? A. sp3 hybridized B. sp hybridized C. sp2 hybridized D. not hybridized |
C |
40. |
Which of the following compounds reacts with sodium metal as well as silver and copper salts ? A. CH3C Ξ C—CH3 B. CH3CH2CH23> C. CH3C Ξ CH D. CH3CH = CH CH3 |
C |